As Bluesky opens to the public, CEO Jay Graber faces her biggest challenge yet The platform must reckon with the trade-offs of open source social media Bluesky CEO Jay Graber says that her job is like being a substitute teacher. It’s not what you’d expect from the head of an experimental, up-and-coming social platform, but it makes sense: there’s a lot of pressure, and a mischievous audience is eager to poke and prod at any crack in your armor until you break. As the Twitter-like app opens to the public, Graber is reminiscing about her first public gaffe as a...