Among other things, SXSW is a celebration of where we are going. Be it art, music, technology, the environment, education ... the people at SXSW tend to have their finger on the pulse of those things that are changing the way the world works, plays and interacts.
Did you think the search engine wars were over, and Google won? New kid on the block Blekko, currently in closed private beta, urges you to reconsider. Once out, it's bound to become the favorite of search refiners, with the results likely made available as an API.