That $200 million can help Facebook reinvent its advertising

Why did Facebook accept a $200 million investment from Russia’s Digital Sky Technologies? The company will say “flexibility” and “cushion,” but what they really mean is time. “Time to figure out a way to make money in a way that does not bring to Facebook.com the big ads like the kind you’ll see on the front pages of Hulu, MySpace, Yahoo, AOL, YouTube and every other site in the brand advertising business,” Nicholas Carlson wrote for Silicon Alley Insider . &#822…