A few of the blogs that I read have been pointing out the fact that the methods described in the 30 Day Challenge are just not going to work long term. I have to disagree to an extent. Let me explain:
The idea behind the 30 Day Challenge was to be able to make $10.00 without spending a dime. This means you can't buy new domain names, hosting for a site, nothing. Everything you do has to be done on free services. So, when Ed Dale tells everybody to go sign up for Stumble Upon, all of a sudden, Stumble Upon is going to receive a few thousand new signups in one day. They are going to take notice. Same thing with tumblr.com. All of a sudden, in one day they started getting a VERY large amount of new signups, each with some marketing phrase used as it's subdomain. They are going to feel the effects of the 30 day challenge and they are going to take action. And, since everybody created all their new pages in a 24-36 hour period, it going to be pretty simple to find and eliminate those accounts.
Had there not been several thousand, but instead a few dozen new accounts created on tumblr.com, it's most likely that these would have slid under the radar and the purpose for creating these pages would have been realized. The purpose being only to TEST OUT A NICHE MARKET. The end-game here is not to use tumblr.com or any other free hosting service as your long term solution for keeping your content, but merely a way to test and see if it's worth going to the trouble (and expense) of creating a new site with consistent content using your own domain name and your own hosting, etc, etc.
Give me your thoughts.