I am fascinated by the ongoing analysis of the March 2 integrated Farmville promotion for Microsoft's Bing search engine.
Over a 24-hour period, Farmville players were offered 3 units of Farm Cash if they became a "Fan" of Bing on Facebook. This promotion resulted in over 425,000 new fans; a fourfold jump. Bing's Facebook page now boasts 592,000 fans to Google's 531,000.
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