Tumblr Introduces Live Photos to the Web
Yahoo! Writes Down Tumblr's Value by $230 Million USD
Tumblr Launches Tumblr TV for Finding and Viewing GIFs
Tumblr Launches "Answer Time"
Tumblr Debuts New GIF Search Engine
Tumblr Launches Tumblr 4.0 for iOS
Miranda Lorikeet Posts Beautiful MS Paint Art Onto Tumblr
Jay-Z's 99 Problems Illustrations by Ali Graham