With one year to go until the London 2012 Olympics, social media conversations are focusing on cost and business impact, according to Meltwater Buzz

According to LOCOG chairman Lord Coe, the Olympics comes as a 'godsend' to a 'flatlining economy'. The nation's media remains unconvinced, with business owners in particular questioning whether the impact will be positive. Meltwater Buzz measures the online buzz around the cost and business impact of the Olympic Games over the past two weeks: