KEY POINTS
  • Bluesky has exploded in popularity over the past few months as measured by the number of mobile app downloads on both iOS and Android platforms.
  • Twitter co-founder Jack Dorsey is a backer of Bluesky.
Twitter CEO Jack Dorsey arrives at the "Tech for Good" Summit in Paris, France May 15, 2019.

Elon Musk's Twitter is facing new competition from a rival called Bluesky, a so-called decentralized communications app that is backed by Twitter co-founder and twice-former CEO, Jack Dorsey.

Musk's Twitter makeover has sparked new interest in decentralized social networks. Unlike Twitter under Musk, or Facebook under CEO and controlling shareholder Mark Zuckerberg, decentralized social media platforms have no single owner or leader and are not beholden to commercial or financial interests.