• Posterous takes on Tumblr http://blog.posterous.com/hey-tumblr-users-got-comments-want-video-grad 92 comments 23/6/2010
• In war of words, blogging platform Posterous takes preposterous swipe at Tumblr http://latimesblogs.latimes.com/technology/2010/06/tumblr-vs-posterous.html 10 comments 24/6/2010