Twitter search sites: The three best, and all the rest

Twitter's own search engine.

To follow what's happening in the real world, you need real-time search. Google doesn't have it (yet). Neither do Bing nor Yahoo. But a number--a large, growing number --of new search services scan Twitter and other sites in nearly real time, and will find for you the absolute latest update from the real-time social Web. I looked at more than two dozen products that search Twitter (and other sources) to find the best tools for uncovering the beating pulse of whatever topic you may be interested in. Full story...