Digital Tattoo Interface Turns Your Skin Into A DisplaySource: Gizmodo
There are implants which are purely aesthetic, and then there s the Digital Tattoo Interface concept. It s a blood-powered electronic interface which is embedded under skin to mimic a tattoo, display videos, or act as a phone or computer.
Muscle-Bound Computer InterfaceSource: Technology Review
Now, researchers at Microsoft, the University of Washington in Seattle, and the University of Toronto in Canada have come up with another way to interact with computers: a muscle-controlled interface that allows for hands-free, gestural interaction.
Firefox, too, revamping new-tab behaviorSource: CNET.com
Opening a new tab in a Web browser shows a lot of prime but empty real estate, and now the programmers behind Firefox are following their peers at Safari and Chrome in trying to make it more useful.
Apple working on 3D Mac OS X user interface (images) - Very cool!Source: Apple Insider
A series of Apple patent filings published this week reveal the Mac maker has spent a considerable amount of time outlining a new multi-dimensional interface for Mac OS X that would make better use of screen real estate by increasing the number of virtual surfaces capable of hous …

I have tried a large number of social networking tools, and have remained unimpressed. Twitter's desktop tools fail to move me, and selections for other tools are even more sparse.
Usability and Interface Design BooksSource: Smashing Magazine
Usability and interaction design are fields that are becoming more and more important for every design. Both fields consider the interactions between the user and a system; accordingly, it also applies to the interaction between users and web-sites.
Google Pre-Launches New iPhone InterfaceSource: TechCrunch
We heard a rumor that Google was going to launch a new interface for users accessing the site via an iPhone in the next few days. But an anonymous tip let us know it actually launched without any warning or announcement this evening.
Transparent gadget could trump iPhone interface (from behind)Source: New Scientist
A touch-sensitive gadget with the sensing panel on its back, instead of the screen, is being developed by US researchers. Using your fingers behind the device allows a firmer grip and more accurate performance without obscuring your view of the screen, they say.
Orkut New DesignSource: BuzzVines
Orkut Changes its looks with a new design, check it out
Apple Exploring MultiTouch Interface GesturesSource: MacRumors
This particular patent is credited to John Elias and Wayne Westerman who were founders of Fingerworks, a company who had done much work in the field of touch-interfaces. Apple acquired Fingerworks in 2005.