demand mediaBusinessGame On: Zynga Files for $1 Billion IPOBusinessIPO Watch: Zynga Up Next?BusinessDemand Media in Demand After Content-Quality PledgeBusinessGoogle Clamps Down on Content FactoriesBusinessTwitter Valuation Talk Hits $10 Billion as Andreessen Invests $80 MillionBusinessNo Profits, No Problem: Demand Media IPO Soars 33 Percent On First DayBusinessYahoo Buys Online Content Factory for $90 MillionThe Answer Factory: Demand Media and the Fast, Disposable, and Profitable as Hell Media Model