People post their most intimate thoughts on social networks, acting as if they were in a private conversation with a friend. Most users would be shocked to learn that social networks are considered by social institutions and courts as public spaces, not private ones.

Social Networks Are Not Private Places
Csaba Osvath

Notes from:
I Know Who You Are And I Saw What You Did: Social Networks and the Death of Privacy
By Lori Andrews
(page 123)