YackTrack is a Beta search engine that allows one to search for references and comments to a specific URL (in the Home tab) across multiple social networks. This might be good for tracking reactions and responses to such things as a product launches or PR efforts. The URL reference search currently supports Blogger/Blogspot, Digg, Disqus, FriendFeed, Google Blog Search, Google Reader, Identi.ca, IntenseDebate, Mixx, Reddit, StumbleUpon, Technorati, Twitter, TypePad/MoveableType and WordPress blogs.
It also has a keyword search, called Chatter (in the Chatter tab). The Chatter search currently supports Mixx, Identi.ca, Technorati, Google Blog Search, FriendFeed and Twitter.
The keyword search seems to work much better than the URL search. This is probably because most people use something like tinyurl.com to truncate URL’s.
Richard
TinyUrls are supported, but other services like is.gd or cli.gs are not yet. I will be working on that in the future. Also, if you have any feature requests or issues with YackTrack, just send an email to info at yacktrack.com. I hope you like the service and find some interesting uses for it.