I'd love to too but I can't find any. I got a black cab in Cardiff and the guy ( Somali) couldn't even speak English, plus I had to give directions all the way home.
Just tried it but says expired
Just used the code Still working
Say not Code is not valid? I'm a new user.
Better off getting in an Uber. At least you know who your getting in with. http://www.dailymail.co.uk/news/article-5690931/Uber-driver-accused-ploughing-11-people-outside-Natural-History-Museum-appears-court.html