Yeap, and i don't really recommend it... Very low CPM.
I'll use them until i reach the min. payout, which is $50... but at this rate i dunno when i'll get there...
I have a min of 7000 pageviews a day, and min. 1000 uniques a day... and after like 25 days (aprox.) i have about $13... that's way too low in my opinion.
Impressions: 278,469
Revenue: $13.25