If you’ve spent any amount of time on Microsoft’s business-focused social media site LinkedIn, you will probably be painfully aware of recruiter spam. Software developer tmuxvim is one unhappy victim, and decided to strike back, or at least extract some amusement from the AIs that relentlessly inform users of irresistible opportunities. They did this via a prompt injection added to their LinkedIn bio.
I put a prompt injection into my LinkedIn bio and recruiters are messaging me in Old English and calling me Lord. pic.twitter.com/2v1c0iXqaFMay 15, 2026