Everyblock has launched. It's local news culled from (any and all available) services, including photos, news, restaurant inspections, classified ads, and civic announcements. Sounds pretty dry, but looking at my old neighborhood in San Francisco, there's a wealth of hyperlocal information that you can't get in one place. They're currently in three major metro areas of the US with many more to come -- their launch announcement has more. This site was spearheaded by Adrian Holovaty, a pioneer of the intersection between journalism and computer science, and winner of a $1million grant last year to build such sites.
posted by mathowie on Jan 23, 2008 - 34 comments

Celebrity Maps is a google maps/stargazing mashup that makes stalking your favorite star so much easier. And it doesn't even cost you $5 on Sunset.
posted by mathowie on Nov 15, 2005 - 34 comments

For the last six months or so, it's been a war between Yahoo and Google to see who can outdo each other. They're often releasing competing products at nearly the same time, but Google Maps has held the lead on coolest map for a while now. Yahoo finally countered today, releasing their beta maps, which work much like Google's, though it uses flash instead of javascript. I kind of like the little video game-style radar map in the upper right to show where you are in the bigger picture and the directions feature closeups on the left pane when expanded. Apparently all the cool API stuff works in it already, and they've released an events browser to show that off as well.
posted by mathowie on Nov 3, 2005 - 60 comments

Amazon Light is project powered by amazon's SOAP API, with a design and interaction reminiscent of Google's clean no-frills approach. Pretty cool and clean way to use the site (without annoying popups or gold box offers).
posted by mathowie on Jul 17, 2002 - 38 comments