Skip Lagan of old!
Did you know?
It knows when you look at another person's timeline, send or receive a message, and the time, date and place where your photos were taken.
If you log on or post from a smartphone it can pinpoint where you are, while if you access the site from a computer it records the IP address you are using.
All of this can be released as a result of a valid court order in the UK as part of a civil or criminal investigation.