YouTube videos to counteract fake Viagra, and a pharma Facebook game.

LivingSocial Opens Lavish Events Center
Washington, D.C. hub is a gathering place for merchants and consumers.

Marketers Warn Against Facebook Fatigue
At Social Media Week, JWT execs say hyper personalization and other factors could work against brands and social networks alike.

Zynga’s Q4 Ad Revenue Jumped 230%
Ad sales brought the social games publisher $74.5 million in 2011.