Facebook is set to unveil an ambitious plan to attract more small businesses to set up shop on the social network. It plans to offer $ 50 in free advertising to as many as 200,000 small businesses to demonstrate the power of marketing on Facebook.

Sheryl Sandberg is bringing the experience she gained from helping to build the Google online ads empire to Facebook, and she has a strategy to establish Facebook as the de facto place to be. With 750 million members, Facebook represents an audience that can’t be ignored, and this campaign is designed to help businesses understand how to take advantage of that audience.