How does it work? Simple they decide to round up your bill to the nearest 50 pence so if your bill is £33.51 they'll round it up to £34.00! From October 2011 that's exactly what they're going to do adding on average 1.6% to the average bill.
The things we put up with to have the latest smart-phone and tariff astounds me it really does. Better if more of you were like me and have a cheap pay as you go phone which costs me about £15 per year and no contract. Snag is no Facebook or Twitter but then again do I need them when I'm not at home?
I like to be "In touch but out of reach" and that's exactly what my cheap phone allows me to do :)
The rest of this article can be found here Vodafone Raise Prices And Call It Simplifying Your Bill I call it rip off your clients because they're addicted to Facebook lol