From GCHQ to tech giants: why the fight for your personal data matters

Privacy International is battling to force GCHQ to delete information that has been collected illegally - but could we all be doing more in the battle for our data?

Government agencies and companies across the world hold large amounts of data on each and every one of us. From profiles of your favourite movies to where you ate out last night, this vast mountain of data is a representation of you that you can do little about.

But is that strictly true? Can you find out what GCHQ, Facebook or Google hold on you? And can you get it removed?