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David Karp and Marco Arment began working on their own blogging platform
Arment joined the company as an engineer and then began to work on Tumblr with Karp. Karp (Founder & CEO) wanted a blogging website for people who doesn't enjoy writing to express themselves through images. -
Tumblr was launched
Tumblr celebrates creativity. We want you to express yourself freely and use Tumblr to reflect who you are, and what you love, think, witness, and believe. -
Two weeks after
Tumblr gained 75,000 users -
Tumblr's official iPhone app
created by Jeff Rock and Garrett Ross -
Marco Arment left Tumblr
served as the lead developer, though he left the company in 2010 to focus on Instapaper. -
Tumblr's first major brand advertising with Adidas
Adidas launched an official soccer Tumblr blog and bought placements on the user dashboard. This launch was only two months after Tumblr announced it would be moving towards paid advertising on its site. click here -
GNAA attack on Tumblr
Tumblr was attacked by a cross site scripting worm deployed by the internet troll group Gay Nigger Association of America.The message encouraged users to harm themselves as well as criticizing blogging as a whole. -
As of today,
Tumblr has 95.9 million blogs
