O2 have released a new App to rival Skype called TU GO. The app will allow O2 customers to be to be able to send and receive voice calls and text messages either over the O2 network or over a Wi-fi or 3G / 4G connection. While this has been tried by many apps before the difference here is that O2 customer can connect upto 5 devices from phone's, tablets, PC's and anything else that can run on either iOS or Android and connect to the internet. So if your using your tablet and dont have your phone to hand or if your phone has died or is even lost, you wont have to miss those important messages as they will pop up on your device as if it was your phone. You can also make new calls or send new messages direct from other devices to. So now you will never be without your phone, even if your without your phone