The Official Twitter Blog

DESCRIPTION : The official Twitter blog, featuring news, updates and general Twitter culture.
GOOGLE PAGE RANK :  9/10
ALEXA RANK : 13
ESTABLISHED : AUGUST 2006
FEED BURNER READERS : No Figure

Official Google Blog for Blogger Tips , Tricks and News Updates

DESCRIPTION : The official blog for Blogger news, updates and Blogger culture.
GOOGLE PAGE RANK : 7/10
ALEXA RANK : 7
ESTABLISHED : March 2005
FEED BURNER READERS :  No figure

Google Operating System

DESCRIPTION : Unofficial news and tips about Google.
GOOGLE PAGE RANK : 6/10
ALEXA RANK : 8,884
ESTABLISHED : October 2005
FEED BURNER READERS : 105K

The Official Google Blog

DESCRIPTION :  Insights from Googlers into products, technology and the Google culture.
GOOGLE PAGE RANK :  8 / 10
ALEXA RANK : 4,086 
ESTABLISHED : APRIL 2004
FEED BURNER READERS :  474K