Twitter cofounder Jack Dorsey used Goose, Block's AI code editing tool, to develop his new messaging platform. He says it worked within a day.

Dorsey admitted that his new messaging app had not been reviewed or tested for security issues prior to its launch.

Twitter co-founder Jack Dorsey is launching a new messaging app that he claims needs no internet or phone numbers. It’s an apparent play on the entrepreneur’s fondness for decentralized technology. On Sunday,