Spotify’s live audio app, Greenroom, formally launches today on iOS and Android, marking the company’s first real attempt at creating a social media platform. The social audio app, which is similar to Clubhouse, allows users to host live conversations about sports, music, and culture. Today’s launch doesn’t come with a marquee creator announcement or specific event planned, but instead, the company is taking the opportunity to encourage people to sign up and figure out how they’ll want to use the app. Some of its core functionality, a person close to the situation says, will eventually make its way to the actual Spotify app, so the team will monitor what happens in Greenroom closely. The app is built on Locker Room, which Betty Labs created and Spotify acquired in March. That app focused s...