Sources:
Danny Sullivan from searchengineland.com about investigation of paid posts sponsored by Google

http://searchengineland.com/googles-jaw-dropping-sponsored-post-campaign-for-chrome-106348

Matt Cutts answer about removing Google Chrome from search results for 60 days

https://plus.google.com/109412257237874861202/posts/NAWunDzJSHC#109412257237874861202/posts/NAWunDzJSHC

From one side it is funny story.
From other one it is great buzz for Google Chrome as well.