Seven British football clubs have launched bluetooth marketing around their home stadiums during matches. Fans of Blackburn Rovers, Birmingham City, West Ham, Portsmouth, Wigan Athletic, Wolves and Celtic will be able to opt-in in order to receive club profiles, fixtures, news and manager notes. A recent Trial at a Portsmouth match showed very good results. 6,245 fans opted in to download a film trailer out of a total crowd of 20,200 (31%).

Click here for the full story.