nostr:npub1ka8l0w9cfcqgmermmc4tq2p8a7mgpgqw9qyxdetn4hlaj9d7chpq3nr9gt nostr:npub1lslwn6kpyfkj3xp3zk6jd2epur5gjdeawklnsh9nd498xy50ezdqfz9c2x Did Jack Dorsey leave the company or just stop posting on Bluesky?