LinkedIn have just announced that they’re going to be introducing target advertising to you, the users. Facebook and Twitter already use frightening ‘Big Data’ to find out exactly who you are and what you might want to buy. But don’t panic. There’s one step that you can take to make sure that the advertising that brands, networks and big, mean companies spend millions of dollars on, work for you. Nothing. You don’t have to do a thing. Targeted ads are amazing. Marketing companies, brands  ...