Social Networking Through Physical-Digital Media
Why "social" computing?
AWF2005 Talk
The Presentation
giggling, gossiping, and gifting: essentials for social connection
Some videos shown during the presentation
Example projects and demos
Our most recent Plasma Poster Network publication:
Sharing Multimedia Content with
Interactive Displays: A Case Study
Elizabeth Churchill,
Les Nelson,
Laurent Denoue, Jonathan Helfman,
Paul Murphy
Presented at DIS 2004, Cambridge, MA, August 1-4, 2004.
YeTI, a successor of the Plasma Poster Network, won Best Utility and Honorable Mention in the Professional category in the DIS2004 International Design Award competition, held in Cambridge, MA, August 1-4, 2004.

A concept video for YeTI (A rather large QuickTime movie optimized for streaming over the Web)
A related work on YeTI, in which video capture capability has been added to the system, will be presented at UIST2004:
Who Cares?
Reflecting Who is Reading What on Distributed Community Bulletin Boards
Toshiya Yamada, Jun Shingu (Fuji Xerox Co., Ltd),
Elizabeth Churchill,
Les Nelson, Jonathan Helfman, and
Paul Murphy (FX Palo Alto Laboratory), to be presented at UIST 2004, Santa
Fe, New Mexico, October 24–27, 2004
An old concept video illustrates our initial ideas for the Plasma Posters:
Plasma Posters are a new form of social technology that allows people to share digital content using large screen, interactive, digital posterboards. They are designed for public places, allowing people to share content, advertise events and offer commentaries for others to read as they go about their daily business.
People can post pictures, text, Web pages and digital movies as email attachments to the Plasma Posters. Unlike digital advertising boards, Plasma Poster interfaces are custom designed to allow people to scroll, read, follow hyperlinks and print posted content. It is also possible to send comments to content authors and forward content to others by pressing a few buttons on the interface.
The software running underlying the Plasma Posters, the Plasma Poster Network, hosts, distributes and publishes multi-media content to a network of displays.
We have conducted a long term trial of Plasma Poster within a workplace (FXPAL). The three Plasma Posters at FXPAL can be seen in Figure 1, and our most recent interface, tailored for use by members of the research lab, are shown in Figure 2.

Figure 1: Three Plasma Posters are running at FXPAL
Figure 2: An example Interface showing text, URLs and images
We have published a number of papers that describe the Plasma Posters and the underlying software, as well as results from qualitative and quantitative studies of the use of the posters. Here is a list of our published papers:
Book chapter in
Public and Situated Displays:
Social and Interactional Aspects of Shared Display Technologies, edited by
Kenton O'Hara, Mark Perry, Elizabeth Churchill and Daniel Russell, 2003.
Blending Digital and Physical
Spaces for Ubiquitous Community Participation.
Elizabeth Churchill,
Andreas Girgensohn,
Les Nelson, and Alison Lee
Communications of the ACM, February 2004, Vol. 47, No. 2, February 1,
2004
Sharing Multimedia Content with
Interactive Displays: A Case Study
Elizabeth Churchill,
Les Nelson,
Laurent Denoue, Jonathan Helfman,
Paul Murphy
To be presented at DIS 2004, Cambridge, August 1-4, 2004.
We have created a number of related technologies for other contexts. The first, eyeCanvas, has been installed in a local cafe/art gallery. Images of the installation process were taken.
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YeTi is a combination of an online community space and a set of interactive displays for the creation of an informal company repository for content sharing between remote locations.
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A version of the Plasma Poster has been installed in a government building in Mitaka City, a suburb of Tokyo in Japan. The installation was promoted in an article in a Japanese internet magazine.

The Plasma Poster Network has been installed also in Fuji Xerox's T-cube office complex in Roppongi, Tokyo and in a design division in Yokohama.