Tumblr users may notice a Starbuck cup in place of the period in the logo today: It's an ad. The period is now for sale to advertisers as the Sponsored Tumblr Dot. The ad isn't available everyday, but ...

If you're a keen #OOTD-er (aka, someone who likes to show their 'outfit of the day'), prepare for all of your Tumblr-ing duties to be so much simpler from now on. How? Because the site will ...

Popular blogging site Tumblr marked its 10 billionth post Friday, astonishing growth considering it had half that number of posts in May. The wacky website is known for its character and characters.

There has been a lot of buzz around Tumblr recently, mostly thanks to Yahoo!'s $1.1 billion acquisition of the company a few weeks ago. There's almost no doubt that the microblogging network's ...