The Wall Street Journal reveals that “all of the 10 most popular apps on Facebook were transmitting users’ IDs to outside companies,” which violates Facebook rules and applied even to people who were on the strictest privacy setting. Three of the ten apps, including the Zynga-designed productivity scourge Farmville, were, um, farming out data on users’ friends to outside companies. Everyone involved said it was not deliberate and they would stop doing it. [WSJ]