
16 : Twitter and the Micro-Messaging Revolution
The Attention Economy
In mid-July 2008, Twitter acquired Summize, a company
that had created a search engine for Twitter content.
While Summize (now found at http://search.twitter.com
and shown below) has excellent search capabilities, it’s
even more interesting for its trending topics. The site lists
the ten most popular terms being discussed on Twitter,
refreshing them multiple times per hour. (In addition,
The Twitter search (http://search.twitter.com) looks at all the public posts (not just those made by people you follow). This query for Tampa Bay returned results
about the 2008 World Series. On the right side of the page are “trending topics”—popular topics that hour—along with options for refining your search.