Telling Facebook you've changed your phone number – the weird T&Cs you've unwittingly signed up to

Nobody reads the small print when they sign up to social media - so no one knows what they're giving away. Martin Belam has found out for you

The Children's commissioner has warned that children as young as eight are signing up to social media terms and conditions without reading or understanding the agreements they are entering.

Let's be honest, that probably goes for a lot of adults too - and most of these lengthy legal documents that we never bother to read include some rather unexpected clauses. Here are some of the more wide-reaching and most bizarre.