We've all heard the one "If you're not the customer then you're the product being sold." Well guess what - it's painfully true. Twitter, Facebook and all those other social media platforms don't specifically exist to give you warm fuzzy feelings when confronted with a cat doing something cute. They're there to make bundles of cold hard cash selling your eyeballs to advertisers. I gave £5.89 to twitter and here's what I learned.
