I recently took up an opportunity to upgrade my WordPress account, which includes a basic monetization package with WordAds. It’s still a new player from what I gather and is mostly a plugin that is partnered with Google AdSense. I’m going to try and see how it goes with having these ads up for awhile. I’m placing them pretty minimally, just for logged-out users and only on blog posts.
However my biggest concern is that I have little to no control over the ad content. If you see an ad with troubling content, please screenshot it and send it to me! If it becomes a problem I will probably remove it.