Rudy De Waele writes:
Technically speaking, MoSoSo is radius and proximity based software. Untechnically speaking, it finds like-minded people around you instantly. The problem with MoSoSos is that they’re not really out there yet as they should. To get accurate location data, the preferred method is GPS -but concerns about privacy and costs have kept operators to give this sensible location information out hands to some possible competitors or adventurous third-party start-ups.
Plazes is an easy to use web service that lets you articulate some basic info about internet access points wired and wireless, public and private in your area. Stefan and Felix were smart opening their API quickly integrating with new services such as Flickr, Skype, Jabber, TypePad, Yahoo, Google, Match.com, and Outlook.