Opening ceremony of London 2012 saw more tweets than entire Beijing Games . British swimmer Tom Daley apologized via Twitter after fourth - place finish in synchro diving . Social - networking website Facebook has 1 million registered users . Swimmer Emily Seebohm blames social media preoccupation for failing to win gold .
Opening ceremony of London 2012 saw more tweets than entire Beijing Games . British diver Tom Daley abused via Twitter after fourth-place finish in synchro diving . Social-networking website Facebook has 900 million registered users . Swimmer Emily Seebohm blames social media preoccupation for failing to win gold .