Using between I am able to track and follow a debate, comversation or arguemwnt between two twittwer users. In this case an very interesting exchange between Rwandan President Paul Kagame and journalist Ian Birrell
There were about 150 people of varying political leanings, from LGBT activists to the Socialist Workers Party, from Anti-deportation activists and Iraki Vets against war to Anarchists. There was a great age spread from Zimmer frame oldies to sign painting kids. It was, and I almost hate to say it, sweet. Spanish was by far the dominant language.