For FrequencyCast Show 91, Pete and Kelly look at the o2 Be More Dog campaign and try o2 TU Go. We also talk to RS Components about the sensational Raspberry Pi and look at a way to control your PC with a Leap Motion wave. In the news, 4G going live, wi-fi from Sky and a Tesco tablet. Plus your comments on BT Sport, wi-fi and Gridwatch. Links and transcripts at https://www.frequencycast.co.uk/cast91.html