Sniff browser history for improved user experience
I saw Niall explain this at the Social Graph Foo Camp. It's crazy stuff that could be used for good or for evil.
Link archive: February 8th, 2008
Dopplr Raumzeitgeist 2007 by dopplr Fine Art Prints and Posters
You can now order a poster of the beautiful Dopplr visualisation of where we are travelling.