Attending tradeshows is always an enlightening and often motivating experience. Those that were fortunate enough to attend ad:tech in San Francisco this week saw a lot of activity in, and excitement about the state of the search marketing and Internet advertising industries. Here are a few first-hand takeaways on what impressed Website Magazine as well as some interesting companies to watch starting today.

Read WM's Key Takeaways from ad:tech San Francisco now
(part one of a three part series)