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A dead app that let people share files, but it had a sneaky command that could erase your whole hard drive. The admins lied a lot and made everyone mad, so no one used it anymore.
"I trusted the forum, and now my files are gone!", @User420
"Why would I use this when it could delete my life?", @P2P_John
"I lost my vacation photos because of this piece of junk.", @Es5Hater