Basically, if you are an expert in your field, you register, pay a fee and your details are listed for the tv and media industry who use the site to check out. I've been quoted in the Daily Telegraph linked to an article about tv property experts, and sent a showreel off to BBC Birmingham. All good stuff and her monthly updates and emails are infectiously enthusiastic at a time when so many people are down in the dumps.
There are dog whisperers, chefs, love doctors and forensic scientists, what are you expert at??!