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

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.

What has Jack Dorsey, the founder of Twitter (now X) been up to lately? Among other things, creating experimental little projects, like a new private messenger that doesn’t need the internet to function.