A topic close to our hearts - I thought I’d link back to the BBC who ran a series on Watchdog.
All of the videos are up on the site including Part 3 which talks about how the ticket touts have circumvented the security put in place for the upcoming Kate Bush shows this year.
http://www.bbc.co.uk/programmes/articles/3Sn9kz60SZPXy0g0qCy2zk8/second-hand-ticketing