MEDIAPOST — Anyone who's had a Facebook friend playing Farmville, Mafia Wars or Café World knows they're extremely popular and addictive for those who play them. Reckitt Benckiser, the company behind brands such as Lysol, Clearasil and Woolite, is launching its own, branded social game for people to learn more about the company, its brands and its work environment. "We realized we had relatively few people who know about us," Andraea Dawson-Shepherd, the company's global communications manager, tells Marketing Daily. "They know the brands, but not the company behind them"...

Inside Facebook recently wrote about up-and-coming Facebook apps that have seen the most growth this past week. Although the PixFix app had been rising slowly and steadily throughout December, it topped the list, growing in the past few days from 20k users to 164k users — almost 650% growth! As you can see from the AppData graph below, there is a spike that occurred on January 30th that lasted through the 1st, allowing the app to gain 135k users in only two days - most likely the result of an ad campaign to drive traffic to the app...