ComScore: Facebook Now Serves One Third Of Online Ads In U.S.

Just goes to show you what a good CPM will do for you. Google crushes Facebook in revenue even while Facebook crushes Google in impressions.

I tell all my friends on Facebook how to install ad-blocking, which considerably improves the user experience there.

Update, after I posted the submitted link on my Facebook profile: A friend just replied to my profile post of the link by commenting, "I recently went without ad block plus and I was really irritated by the ads I saw over and over again. Ad nauseum."