The winners of the Royal Television Society awards were announced last night. Winners included ITV's documentary The Other Side of Jimmy Savile. Channel 4 News's 'No Go Britain' campaign, an investigation into transport for the disabled, took the 'innovative news' award. Here is a look at how the Channel 4 News team at ITN, used crowdsourcing via social media to provide stories. Anna Doble, head of online, shares the lessons learnt.