Friend.ly

Acquired by Facebook
on March 3, 2012
Blogging Platforms
Undisclosed

Apture

Acquired by Google
on November 10, 2011
Blogging Platforms
Undisclosed

FeedBurner

Acquired by Google
on May 23, 2007
Blogging Platforms
$100m

Pyra Labs

Acquired by Google
on February 17, 2003
Blogging Platforms
Undisclosed