Wikileaks Now Holds UK Postcode Database -- the UK does not have open geodata in the way that we know it. A state-owned enterprise, Ordnance Survey, is responsible for maintaining all sorts of baseline data and they charge (through the nose) for that data. This is the release of 1,841,177 post codes, geographic boundaries, and more. Postcodes in the UK are far more useful than US ZIP codes--they identify a handful of houses, rather than a few thousand houses.
My New Sense Organ -- a strap with buzzers and a compass, so you always have physical reminder of orientation. For people like me who can get lost putting on pants in the morning, this would be a godsend. (via Slashdot)
Saving is Obsolete -- EtherPad adds a Wave-like replay feature to help you see the history of a document.