The interesting bit is that this is the first appliance (that I can buy in a shop) that does things when touched with a mobile phone:

The NFC interaction is demonstrated first-hand with the newly announced NFC-enabled Nokia N9 in this Engadget video.

Nokia has been pushing NFC since 2004, but mainly towards ticketing, payment and ‘smart posters’. We’ve been pushing for more constrained, local and ad-hoc applications of NFC and it’ll be interesting to see if approach fares any better in the mass-market.

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The Touch project has a new exhibition in collaboration with the Record project at the Oslo School of Architecture & Design.

In recent years we have witnessed the growth of a new breed of consumer products and services that are a hybrid of tangible atoms and online bits. This exhibition offers a selection of products, demonstrators, videos and art objects that highlight the ways in which online social media now are becoming an important part of the functionality, design and desirability of new products and services. As products and services become increasingly digital and disappear into screens, Hybrids exemplifies some alternative strategies, where some of the magic of the social web seep out into the physical world through tangible things.

There are a number of products and services on show, including a new project by Jørn Knutsen and Einar Sneve Martinussen:

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This video shows Skål in action. A bowl sits on the living room table and a range of physical objects are used to trigger various kinds of media. For example a physical Moomin character like Little My will play a sequence from the Moomin cartoon where she is featured. Skål can control all kinds of digital media; movie-clips, Youtube channels, Flickr photo streams, home videos and online radio.

The product has been used as a probe to build our understanding of RFID technology in playful and domestic contexts and is the result of extensive enquiry into the area. It differs from other similar products like Touchatag and Mirror by focusing specifically on direct and immediate tangible interaction with rich digital media. In some ways it is similar to the iPhone RFID prototype, and here it reflects on the interchangeability of tags and readers in media interaction: RFID systems are symmetrical and interactions can be built through manipulating the reader (the iPhone) or the objects (Skål).

Visit the Skål website for more on the bowl and how it works and Flickr for more images.

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RFID is becoming more common in mobile phones (under the term Near Field Communication or NFC) from manufacturers such as Nokia. By looking at Apple’s patents we know that the technology is being considered for the iPhone. With the iPhone SDK 3.0 external hardware accessories can be accessed by iPhone software, so third party RFID or NFC readers are also possible.

So what kinds of applications would emerge if an iPhone had an NFC reader? Here we have prototyped a simple media player, which triggers the playback of content on the touch of a tag, and created a set of augmented objects that have relationships to different kinds of audiovisual content.

A lens for media

Compared to other mobile handsets the iPhone is a particularly media-friendly device, with a large, bright screen and high quality audiovisual playback. What if this screen could act as a ‘lens’ to content that resides in the world?

In a screen-based interface content may be buried many levels deep inside an information architecture. But in a physical RFID-driven interface a simple gesture can offer quick and direct access to content. Physical objects afford tangible manipulation that screens cannot, and this is great for playful products. Our Bowl prototype showed a natural blending of media consumption and playful activitiy in children, where media viewing became less passive and a more active experience.

Durrell Bishop has discussed these ideas in a more general way, what if objects were augmented with new properties, that can be perceived through an iPhone lens?

Media objects

In this video demo, the objects have been chosen to physically or visually represent the content. There are some obvious relationships, such as the Moomin figure leading to a favourite episode of a Moomin animation. The less obvious relationships such as the wooden house leading to home videos were chosen because they just somehow felt right. In fact the exact relationship may be of secondary importance, as over time the behaviour of the physical and digital objects becomes known and transparent through exploration and repetition.

Some of the objects felt particularly satisfying. The Make Podcast object for instance—where touching the ‘geek’ plays the latest ‘Weekend project’— shows how an object can be used for exploring a dynamic stream of content.

Going further

This video prototype is basic and intended to open up for discussion and new exploration around the experience of media selection through physical objects. At the moment the interaction is a trigger, but what if the phone doesn’t just react as output but also as input to physical objects? How do we programme and manage our sets of media and applications in these objects?

Overall this points towards opportunities around the distribution of media through physical objects, it is an example of general ideas around an ‘internet of things’ or ‘spimes’ applied to the world of media. What opportunities would the distribution of RFID-embedded products open up in terms of media, gaming, services and marketing? What does this mean for the future of products?

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Last week Interaction Design students at the Oslo School of Architecture & Design participated in a Touch workshop where the brief was to design a playful, exploratory or characterful RFID interface. The emphasis of this workshop was on exploring the relationship between digital interaction through RFID and the material properties of physical objects.

The brief

This week we will be working with a technology called Radio Frequency IDentification or RFID. RFID is exciting for industrial and interaction designers because it is a cheap and simple technology that allows us to build quite advanced gestural and tangible interfaces. When an RFID tag is in the range of an RFID reader (usually about 10cm) it communicates a tiny amount of information, a simple short code that lets the computer know that it is present. This is usually used to identify an object, person or animal, for instance to open a door, to find the owner of a lost pet, to pay for a ticket, or to know if a product that is passing out of a shop door has been paid for.

RFID tags are tiny, fairly cheap and don’t require a battery. They can be embedded inside all sorts of materials easily and without much effort. RFID readers are also small and flat, enabling them to be embedded easily below surfaces such as wood, concrete or plastics. The only physical limitations are metal and water, which absorb radio signals and stop RFID systems from working effectively.

Designing playful RFID

You will design a physical interface that involves a reader, a few tags and a Tikitag application.

Industrial and interaction designer’s haven’t been working with RFID for very long. So RFID systems are usually dull and lifeless, with ordinary plastic or paper tags and flat plastic readers. There needs to be more experimentation with the physical aspects of RFID interfaces in applications such as toys, appliances and domestic interfaces. There may be great playful applications of the technology that have not yet been explored.

You must design the physical relationship between the tag, the reader and the resulting action. Your objects must be finished with quality and material choices that match the intended use and context of the application (such as waterproof plastics for the bathroom or turned wood for the coffeetable).

Methods

You will each choose a different application from our list of Tikitag applications. Sketch out ten ways in which the tags and the reader in that application should look, feel and behave. What kind of approach is most suitable? Should it be characterful, understated, loud? What other kinds of objects should it reference? List out the kind of materials that would be suitable for such an application.

Design one set of tags and a reader for your application. Think about size, shape, durability, surface texture, and the relationship between the reader and the tag. How do the objects relate to each other? How do the objects and the reader fit together? What metaphors and associations can you draw upon, are they like keys, do they encourage swiping, caressing, tickling? How will a user manipulate the objects? Will they have to place them in certain positions or sequences to achieve different results?

References

Bowl: Token based media for children

Designing with RFID

RFID peripherals

RFID and unique physical form

Images of touch interfaces

Previous ‘Touch’ student prototypes

Qubi – Tangible colour game

Hairfid

Storytelling pillow

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A Poken is a connected business card, when you meet people you want to connect to, you touch their ‘poken’ and get added to their Open Social network.

Just tap your poken to theirs, activating Poken’s wireless technology. The poken “high-four” lets you share your online social network profile(s) instantly. At any computer with web access the poken hand pulls out of the body, revealing a USB connector. Insert the poken USB connector into the computer’s USB port to upload your new contacts to the Poken web database.

They have a few interactions that are intended to deal with different social situations, I wonder how they came up with these ‘modes’:

“If you simply touch your poken to another poken without having pressed the palm button, your “Normal” identity is shared. ‘Discreet’ mode requires a double- click of the poken palm. This mode allows you to poken without actually sharing your profile, if you have selected the ‘Ghost’ option or to share a limited profile of your choosing. To be as discreet as possible there is no visible lighting effect. You can, however, check for a little green light that will afterwards flash inside the poken by removing the poken body from the hand. A lengthy press (more than two seconds) of the palm button of your poken will make the hand glow different colors for ten (10) seconds.”

So they are attempting to create culture around the product, of ‘high fours’, ‘light shows’ and discreet ‘ghosting’. But behaviours in social life are so sensitive and context dependent—particularly around the exchange of contact information—it’s hard to see how they will be able to influence them through software or hardware. On the other hand, these limited behaviours might just take off like Tamagotchi or Lighter.

While it’s good that they are taking an open approach to managing contacts (using Open Social and an API), where they can plug into almost any other social network platform, the physical interface presents much harder problems. There is an enormous effort to reach the critical point at which cluster effects can take place, and many users will feel the full brunt of the ‘first fax machine’ problem.

We are currently spoilt by abundant network connectivity, compressing time and space. But the traditional limitations of the physical world such as scarcity and distance affect all physically situated interfaces, and design approaches that deal with these limitations will increasingly be needed.

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RFID readers are small and cheap, encapsulating them in packaging and offering a standard USB interface makes for a versatile product. What we need to see now is some applications and platforms that make these products useful and desirable.

Mir:ror

Designed as a commercially available product, similar to the Nabaztag rabbit, the Mir:ror is intended to allow physical objects to work with online services. “Violet was inspired by a simple fact: the rift between the virtual world – everything happening on the other side of your computer screen – and the physical world we live in is growing, and growing fast.”

Mir:ror

Tikitag

Tikitag is offering a small, cheap USB reader that plugs into any computer with compatible drivers “Tikitag is an Alcatel-Lucent Venture based in Antwerp, Belgium which provides a service to link the real world with the online world.”

Tikitag

Bowl

The Bowl was created as part of the Touch project and designed to be an object that wouldn’t look out of place in the living room. “The Bowl is a simple media player that can be used by people of all ages, particularly young children. A bowl sits on the living room table and range of physical objects can be placed within it. When an object is placed in the bowl related media is played back on the TV.”

Bowl

ThingM

ThingM has been developing RFID-driven interfaces in their WineM concept for a while, and they have developed a smaller, USB version finished in wood.

ThingM / WineM

Airtag

Aimed more towards the high-end, for custom installations in retail environments, “the Airtag reader is a contactless reader for point of sale (POS). Easy to install it can be plugged to any cashier system, or standalone for smart poster.”

Airtag

RFID mon amour

For the sake of completeness, this was perhaps the first commercially available plug-and-play RFID prototyping platform. “Rfid mon amour 1.0 is a kit for designers, artists and architects, which allows the realization of interactive exhibitions in a very simple manner, without any specific knowledge of programming or electronics. The kit comes with an USB based RFID player, Mac OS X compatible software, 10 RFID tags and some sample videos.”

RFID mon amour

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From the Picnic conference last year, Mediamatic’s ‘RFID safe’ which protects your wireless RFID cards from being read or ‘skimmed’. With Mifare security problems a reality, and the ability to skim cards such as the Oyster fairly easily, I wonder how common these things will become?

Related

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This is a simple ‘classic’ or ‘candybar’ design like the earliest NFC models. Nokia has a history of basing its NFC devices on existing models (see the 5140 from 2004, the 3220 from 2005, and 6131 from 2007). The 6212 looks like it is based on the 3120 classic (announced in February 2008) with the addition of an NFC module and a slightly simplified physical design. Compared with the most recent NFC phone, the 6131, the 6212 is slightly smaller and lighter with a smaller display at the same resolution. More notes on the design details below.

The demo

This interview with Jeremy Belostock—Nokia’s NFC Sales & Marketing Director—has a number of cutaways that show some of the new NFC features in action.

There is a discussion about the path towards the mass market: whether to focus on user acceptance or building infrastructural ‘ecosystems’. NFC is discussed as being immediately suitable for developed markets where there is infrastructure already in place (such as RFID ticketing and credit card systems such as Oyster and Visa Wave). Although emerging markets are interesting, there is a particular emphasises on Western Europe and Asia in NFC transport and payment, because of the immediate benefits in these areas. The interview ends with a brief (and rather odd) discussion of the environmental benefits of NFC. I’m not sure replacing a stack of plastic cards with a mobile phone is necessarily an improvement towards sustainability (most of my credit and debit cards outlast my mobile phones by a factor of 2 or 3).

Interaction design notes

Nokia is attempting to focus on features such as sharing content through touch-interactions and using tags as a way of controlling phone functions. Nokia seems to call these emerging interactions “tapping and sharing”. In the demo we see:

• Tag access to the system functions: we see a tag setting an alarm
• Tag access to files on the system: we see loading and playing of music files

• Peer to peer exchange of content: we see the ‘sharing’ of files

  The specifications also note that it’s possible to “share business cards, bookmarks, calendar notes, images, profiles, and more” so there is clearly a deeper integration between the Series 40 system and the NFC functions here than with earlier devices (we called for this in 2005 when we had the first look at the 3220). What is not shown is the before/after interactions that are required to set up these sharing actions. How do I set up the transfer? What happens if we simply touch phones together? What are the default events? Where and how are these actions phrased within the menu system? Without seeing these we cannot yet assess the quality of these new NFC interactions.

  

  Touch-based interactions are super-simple, orders of magnitude less button clicks and less security hassles than a technology like Bluetooth. This simplicity stems from the physical proximity required when interacting with tiny RFID fields. The demo shows NFC pairing between two devices working in various physical ways: two phones are tapped side to side, face to face and face to back. Previously these interactions were imagined to work back to back but since RFID works through electromagnetic induction, which creates a field that encompasses both sides of the antenna, other physical gestures are possible.

  

  When the NFC chip is given enough power and when the interaction involves two readers rather than a reader powering a passive tag, phone-to-phone interactions will work in many configurations around the device. Although this seems to be a technical reality, I wonder if it makes sense to visualise and explain NFC in this way? Should there be an active point of connection on the phone that is more like a button rather than an active aura surrounding the entire phone? There is an interesting study to be created here about the user’s mental models formed by these subtly different interaction types. More on touch-interaction affordances later.

  This launch is not just about the NFC phone, but points towards a range of NFC appliances: “pairing with a Bluetooth NFC-enabled device, like the new NFC variant of the Nokia BH-210 headset, happens with just one touch”.

  

  At first glance this suggests that new Nokia accessories may have embedded NFC tags, but it seems that “the Bluetooth Headset BH-210 sales package includes a pairing tag that has BH-210 address information in it. Pair the device and headset conveniently by tapping the tag with the device.” When suitable Mifare tags are available down to about 10mm in diameter, why not embed the pairing tag inside the device itself? Perhaps the fear is that pranksters could sneak up to unsuspecting bluetooth-headset-wearing businesspeople and pair with their devices through a sneaky swipe…

  Nonetheless, this points in some interesting directions, towards interfaces and control for all sorts of consumer devices. It highlights the possibility of the mobile phone as a ubiquitous controller where it interacts with a multitude of inputs and outputs from games controllers and sensors to printers and screens, and then perhaps a whole host of other devices that require a rich interface but don’t have the physical form or price range to justify one. For more on this see our thoughts on the universal controller and this research paper by Christof Roduner.

  

  The phone is packaged with three tags, one of which is a ‘tutorial’ tag that teaches the use of NFC with on-screen tutorials. This learning mode seems to include lots of animations where phones and tags are brought into contact with each other, perhaps the least complicated part of NFC interactions. Without seeing it for ourselves its difficult to say, but the tutorials could perhaps be more useful for explaining the possibilities inherent in putting URLs, phone numbers, etc. onto tags.

  Physical design notes

  If we are expected to regularly touch our phones against grubby payment terminals, subway gates and public advertising, the surfaces and materials both on the phone and in the world must encourage this touching action. A robust and rugged shell is essential.

  From the very first mobile phones that could be operated with one hand, Nokia has traditionally been good at creating robust, over-engineered devices that play well in the messy, physical world. The challenge with NFC is to create natural, basic touch interactions through material, ergonomic or other affordances. What are the physical affordances that would encourage—- as Dourish puts it—‘interacting in the world, participating in it and acting through it, in the absorbed and unreflective manner of normal experience.’? So beyond ruggedness and a degree of scratch-proofing, what is necessary for these touch-interaction affordances?

  

  The first consideration is the placement of the reader. The above image is a quick excercise imagining where readers might be placed on various phone models. The 5140 RFID kit and the 3220 NFC shell had a ‘classic’ or ‘candybar’ form that meant that the NFC reader was placed on the lower back of the device. Apparently this was to separate the various radio antennae (GSM, Bluetooth, etc.) from the RFID antenna, but all of our experiments showed that this was confusing to users. The 6131 solved this by placing the NFC reader at the top of the flip-up screen, away from the other antennae at the hinge.

  Somehow the NFC reader in the 6212 is at the top of the device. This is a very good place to have an ‘active area’, it’s outside of the natural hand-grip, and its the part of the phone that most often faces the world, encouraging intuitive pointing and selecting gestures. With this placement the phone becomes a kind of ‘wand’, that perhaps draws on the metaphor of magic in ubiquitous computing. Whatever our thoughts on magic in interaction design, there is no doubt that this gesture is culturally significant and is likely to be a useful model.

  

  More practically, the 6212 features a camera lens in roughly the same position as the reader. This combined with the perforated loudspeaker work against the idea of a robust active area. This is clearly a tradeoff, will scratches and grit getting into these delicate areas hinder touch-based interactions, and will keeping the phone pristine in general be a problem? Would a shiny iPhone ever be suitable for touch-based interactions?

  The second consideration is signs and symbols. There was a time when Nokia thought it necessary to indicate the active area of NFC phones with a visual icon, starting with two concentric rings and moving on to the ‘wireless fingerprint’:

  

  But the 6131 and 6212 have no visible indication whatsoever that they offer any sort of NFC functionality. The clear plastic film that protects the 6131 screen had a diagram of a phone-tag interaction but that of course gets quickly removed.

  My feeling is that there should be clearer markings for the NFC active areas on these phones, even if it is a change in texture, colour or material, it seems like a functional necessity until NFC is properly accepted and understood in the mass market. It’s also a particularly easy thing to do. When music phones have very clearly marked dedicated buttons devoted to specific media functions, why shouldn’t a significant functional and interactional surface be clearly marked on the device?

  

  A few quick sketches using some of the icons from the graphic language for touch. Whether the possibilities inherent in NFC are indicated through clear affordances or explicit symbology, this is extremely important to get right.

  Other technicalities

  The 6212 has a slightly better higher resolution camera than the 6131. It also offers a second video camera on the display side (why do they still include these, does anyone actually do video calling? Is there a secondary usage that I’m missing, YouTube?)

  The press-release and demos emphasise the new level of integration between NFC and Bluetooth but the specifications don’t list Bluetooth 2.1. Of course it supports the standard contactless communication API (JSR 257) so that 3rd parties like us can develop applications for NFC. We hope that it gives us more leeway than the implementation on the 6131. Includes MIDP 2.1 and a few other Java APIs.

  The phone also supports the Nokia Software Market for application discovery and this might be very useful for distributing consumer-focused NFC applications.

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