It really is a dog's life at Pampered Pooch Playground . The eco-friendly doggie daycare limits the number of pets they take each day, so tail-waggers have more room to nap and chase bubbles.

Thanks for a tweet by Tim O'Keefe about a study at New York University of the interdependence of paid click advertising and organic search results. It looks like they're using some very sophisticated models to look at one retail advertiser's results when they have both paid and free organic listings...