QR code on the side of a building? Geek cool. Last week the West Coast Search Engine Strategies conference moved from San Jose back to its roots in San Francisco. It was a well attended show (5,000+ in 2009 vs. 6,000 in 2010 registrations), despite the illusion created by the voluminous Moscone. As part of Connected Marketing Week, SES included a great mix of sessions. In fact,