This adds a blue shield icon to the photo. It specifically blocks the "Download" and "Share" buttons on the Facebook platform and prevents non-friends from tagging the photo. Critical Risks and Ethics

Attempting to download a locked picture is a deliberate bypass of a user's privacy choice. It erodes the trust that social media platforms rely on to function.

Lena ignored it. Probably a bot. Then another. And another. Within days, the requests multiplied—dozens, then hundreds. Each carried a timestamp and a vague location: Jakarta, São Paulo, Lagos, Kyiv. Strangers were trying to download that grainy, rain-streaked image of her laughing into a mug.

But the damage was done. Three days later, two billion dollars moved silently across ledgers no one remembered existed. And somewhere in a server farm, a locked photo of a laughing woman with messy hair remained undownloaded—but not unseen.

This is a long-standing workaround where users copy the profile link and replace www or m with mbasic in the browser address bar. This version of the site sometimes allows users to long-press and download a small, static version of the profile picture even if it is locked.