When you sign into Google Reader you'll notice that most of the sign in screen is devoted to a Google picked collection of RSS discoveries. The default one is "cool" and shows popular shares from around the web.
Right now there's an awfully cute panda checking out a rather impressive cake. There's also a rookie learning about AdWords the hard way.
Jezebel, I think, is a popular Gawker blog too. Let's hope this isn't a site targeting match and somehow the test AdWord is being matched the panda photos by content algorithm.