Personally, this mate of mine is pretty switched on, internet-wise (I cracked a pun!) so I was a bit taken aback that he genuinely wanted to know about why he should get his web-surfing privacy under control. I thought that he might already have this sorted out.
The reality of it all is, that these days, it's a game with moving goal posts. To keep up with the companies mining your browsing habits really needs one to be on one's toes. But it's so difficult. Consider these:
