I know what you're thinking: SCAM! That's what I thought for the last few years when every so often I saw an offer for a free iPhone or other gadget on the internet - for anyone with a brain this seems ridiculous as the provider has no motive to give iPhones away.
It all changed 2 months ago when I was sent an email for a good friend asking me to join a website in return for a free iPod. This guy has a good job and is well respected so I doubted he was scamming me - it prompted me to do a littl...