Webmaster Guidelines Bing Webmaster Guidelines "The Dirty Little Secrets of Search", article in The New York Times (February 12, 2011) Google I/O 2010 – SEO site advice from the experts on YouTube – Technical tutorial on search engine optimization, given at Google I/O 2010.
Webmaster Guidelines Bing Webmaster Guidelines "The Dirty Little Secrets of Search," article in نیویورک تایمز (۱۲ فوریه ۲۰۱۱) Google I/O 2010 – سئو site advice from the experts در یوتیوب – Technical tutorial on search engine optimization, given at گوگل آی/او ۲۰۱۰.