O2 are offering FREE WiFi, fast internet for everyone. You do not have to be an O2 customer. Just sign up and you can use free WiFi at any locations. There are over 750,00 hotspots including at McDonalds, Subway, Costa Coffee, Pizza Hut, Cafe Rouge, Toby Cavery, O'Neils, Debenhams, House of Fraser and more. No password or username is necessary.
To gain access to free O2 Wifi, Sign up on the linked page by filling in a form with your details. You will not need any passwords or username to connect and you don't have to be an O2 customer either. Find a O2 hotspot and start using fast, free internet.