One of the fastest ways to build a list is by joining giveaway events. A good giveaway event can generate dozens of new subscribers to your list in a matter of days. The problem is not whether they work, the problem is finding good giveaway events to join.
Well, I decided to create this page so that I can list the latest and greatest giveaway events. I will be updating this page every time I find out about a new event. You can bookmark this page of join via RSS feed to stay updated.