But Redmond had bigger plans. Once Microsoft had shown Facebook that it could execute quickly, it later negotiated for access to Facebook's social graph data.
That gave Microsoft the ability to incorporate Facebook data into Bing search results -- and thus to deliver relevant, customized results based on the social graph. The results of this partnership are rolling out now, and they have the potential to start a new era of search. At the same time, the partnership could drastically change the way ads are targeted on Facebook, the biggest player in online display.