Have you got back from being abroad only to find that your smart phone or mobile broadband operator has stung you with a massive bill for your holiday usage? For many the answer will be yes. It would appear that as soon as you step foot out of the country it becomes a licence for the mobile network providers to print money. In the last few years the EU has come down hard on mobile phone operators forcing all European networks to play by their rules. As a result, there are now caps on what they can charge and these caps are being slashed again by July 2014. Dean Dunham explains your rights.