I'm writing this short note to let you know about a growing list of easy-to-join CPM networks that pay you for every ad impression shown on your sites. Advertisers and publishers call this type of advertising Pay Per Impression, CPM, and eCPM. Basically, you make money every time someone visits your website. You make money in your sleep or while you're at the movies!!

Here's the link to the growing list of paying CPM Networks: CPM Networks / Pay Per Impression