Zynga’s Mark Pincus says social networking is still an unsolved problem

Hello again, and welcome back to Fast Company’s Plugged In. Entrepreneur Mark Pincus is unquestionably best known for founding and running Zynga. Its products—especially FarmVille—fueled the social gaming craze that took over the internet early in the previous decade. But Pincus, who hatched his first company in 1995, was already an old hand at startups by the time Zynga came along in 2007. Once you get to the businesses he’s invested in, which include Napster, Facebook, Twitter, Airbnb, Snap...