WordPress has been often used as a platform of CMS or blogs. Now it is Tumblr.
This time we will introduce sites home and overseas which is made by Tumblr.
So fantastic that you can’t believe these are made by CMS.
http://w3q.jp/t/4127

Additionally, this is a link for Tumblr novice.
It compares Tumblr and WordPress.
http://hirofukami.com/2013/03/19/wordpress-com-vs-tumblr/