Audience participation with live TV events via social channels like Twitter is becoming increasingly common and a big part of audience expectations. I’m thinking of campaign-type events, not spontaneous or serendipitous actions by individual tweeters, Facebookers or Google+ers with their communities. This is about orchestrated activities: programme-makers and the television broadcasters creating a broader platform for wider, richer and valuable content dissemination where the tweeter becomes an active part  – and, perhaps, influencer – of a broadcast event that embraces…