I used a different phone number, a different email address, profile picture where you can't see my face, and used my middle name instead of my first name. It's

I used a different phone number, a different email address, profile picture where you can't see my face, and used my middle name instead of my first name. It's likely that they use some combination of IP's that I logged in from, common friends, maybe cookies on one of my devices that I didn't think to clear first.