History of the Button, a weblog devoted to 'tracing the history of interaction design through the history of the button, from flashlights to websites and beyond'. This presentation [4.5MB .pdf] provides a quick-fire pictorial history of the things we push to do stuff.
BumpTop is based on the long standing idea of piles as a desktop use metaphor, this seems to bring it to life at last. Will this sort out your desktop?
Augmented Maps: dynamic, paper-based displays.
An astonishingly obvious advance in interface design Your mobile phone's keyboard has been rendered obsolete by this inspired rethinking of buttons and the spaces between them. The manifacturer's home page is here
What will future interfaces look like? Steven Johnson, the author of Interface Culture, asked this question of a few presumably knowing souls. There are some interesting points regarding the interaction, rather than the interface in this oh-too-short article.
Tired of killing those processes the old fashioned way? Get this Doom GUI, and never do a kill -9 without your BFG again.