NEW YORK (AdAge.com) -- Online ad rates, we're told, are on an express train to zero, helped along by gagillions of impressions generated by Facebook, Twitter and its ilk, and the networks, exchanges and targeting technologies that allow advertisers to buy audience as a commodity, without dealing with individual sites at all.
And while the recession has put another hit on CPMs -- the term ad buyers and sellers use as shorthand for the cost for 1,000 impressions -- across the web, some sites can still pimp fat ad rates either by virtue of their reach, specialized audience or unique environment.
Who's getting the best ad rates on the web today? The slideshow that follows, culled from agency buyers and media sellers, is far from scientific, but gives a good sense of who can still charge bank and why.
Got some other fat CPM candidates? Leave them in the comments section.