The MML or Mobile Media Master List is a social networking site with a twist. It's targeted to "the industry" and has some other unique features. The site is really gear toward music heads, even the questions asked to gather profile information are speficly about electronic music.
The MML offers a number of services including: advertising, event listings, podcast directory, and personalized calendar. Just to name a few. In essence it’s a great promotion tool for artists and events.
But the number one thing that sets the MML apart is the fact that you can get updates on your mobile phone. This is especially handy for WMC and when traveling to other big events. It's the 3rd time around for them covering WMC, and this year they will be launching version for the iPhone.