Your boss has added you. You're one of only four of your nan's 'Friends'. Even your neighbour's aggressive pug has a profile page.
Celebrating its 12 birthday, Facebook now boasts a ubiquity on a par with grass, the word 'table' and the colour yellow, it wasn't always so.
This is what the world's wider media thought of Mark Zuckerberg's social network 'thefacebook.com' when it was launched for Harvard students back in 2004, along with various other flash points of comment during its short-yet-dominant history.