Nope - they run homepage banners, sidebar ads and occasionally full-page adverts (that hijack the background). It's surreal browsing without Adblock occasionally.

Not to mention the ads shown next to original content created by youtube creators earn them a living.

Ads displayed around the video are almost always tied to the ad displayed on the video and ads displayed on the video are part of the revenue-sharing program.

Hmm, interesting. I get sidebar ads occasionally, but I've never noticed the other ones - maybe I just tune them out when I see them. (I use ghostery, but disabled it temporarily for testing this out.)

Wow. I wonder how much I miss while using Adblock. That sounds miserable.