Uber is probably the most well known of the various ride-sharing services around the world, with millions of users in dozens of countries. Despite the company's...
Wheely is a mobile and web-based cab booking service. It currently operates in Moscow with a fleet of black Mercedes cars and - after a trial in London in 2012 - is due to re-launch there in mid-June, offering lower costs, hybrid cars and free 4G-powered WiFi.