Germaphobes, be warned: Viral video strategies are catching

 "It's a messier world. Increasingly, content extends beyond your own Web site." says Darren Barefoot, a principal of Capulet Communications and co-author, with Julie Szabo, of Getting to First Base: A Social Media Marketing Playbook.

If we have consumer-generated content and consumer-generated media, do we still need ad agencies?

There are plenty of ways to get lost on the Web, but how do you break through?

OMMA's Chart of the top 25 Interactive Agencies of 2007 by billings.