Zynga makes online social and mobile games.
Zynga makes online social and mobile games. Four years after its founding, Zynga had grown to over $1 billion in revenue and IPO'd on the NASDAQ stock exchange in 2011. The Zynga IPO was the largest IPO since Google in 2004. Zynga pioneered and popularized the "freemium business model" in which games are free to play and monetized by in game purchases.