Invisible Facebook Friends Can See You, But You Can't See Them
Facebook zombies: You can't see them, you can't unfriend them, and you can't block them. Facebook friends are forever, whether you want them or not. Here's how anyone can use ac
Facebook zombies: You can't see them, you can't unfriend them, and you can't block them ... Posted on March 22, 2012, at 12:00 p.m. ET ... Make a new account .