Excerpt from the article by Adrienne Sanders: The digital agencies will compete for talent with larger, more traditional shops and smaller indie players like Eleven, Buder Engel and Venebles, Bell & Partners. And as some creatives feel stifled by the constraints of the conglomerates that scooped up several local agencies, San Francisco's Hub Strategy will be able to continue to build its network of high-quality freelancers from some of the discontents.