New Clay.io feature that has made its way into Construct 2 via the Advertisements Plugin: Cross Promotion. You can now cross promote with other games - essentially you provide traffic to other games and they provide traffic back to you.
Here's what it looks like:
<img src="http://new.tinygrab.com/a160021eef33596b3d239b184a69ab15305aef0b13.png" border="0">
You can also display a vertical bar instead. On mobile, we just show a 320x50 banner instead of the full bar:
<img src="http://new.tinygrab.com/a160021eef31b54e2c3e9313d697fdd0fbed78ee18.png" border="0">
You can read the blog post about this new feature here.
As always, we're very open to feedback about this feature :)