The 30DC is dead. Ed Dale has killed it.
It helped me to start in internet marketing and real online business and now it is no more.
There is a new kid on the block, The Challenge.
If you are serious about getting your website ranked and with traffic you really need to get yourself some leverage. These days it is not enough to just pick any old name, write a couple of interesting posts and hope for the best if ever it was. The top places in the Google search engine are occupied by highly optimised websites so with a new or even an older site you need a plan to get to the top.