What is Tumblr?
{{Infobox company | company_name = Tumblr, Inc. | company_logo = Tumblr Wordmark.svg | company_type = [[Privately held company|Private]] | location_city = [[New York City]] | location_country = USA | foundation = 2007 | num_employees = 192 | industry = [[social network service]], [[micro-blogging]] | homepage = [http://www.tumblr.com/ www.tumblr.com] }} '''Tumblr''' is a [[blog]]ging site that began in [[New York City]] in 2007. [[David Karp]] and Marco Arment began it. The site allows users to post text, images, videos, links, quotes and audio to a short-form blog, called a tumbleblog. Users can follow other users, or choose to make their tumblelog private. Tumblr focuses on being easy to use. The site has about 91.7 million posts a day<ref>{{cite web|url=https://www.tumblr.com/press|title=Press Information - Tumblr|website=www.tumblr.com}}</ref> and gains about 15,000 new users on a day on average.<ref name=Boutin>{{cite news|author=Boutin, Paul|title=Tumblr Makes Blogging Blissfully Easy|url=http://gadgetwise.blogs.nytimes.com/2009/03/13/tumblr-makes-blogging-blissfully-easy/ |accessdate=2009-03-26 | work=The New York Times | date=2009-03-13}}</ref> In 2013, [[Yahoo]] bought Tumblr for [[United States dollar|$]]1.1 [[billion]].<ref>{{cite news|url=https://www.thehindu.com/sci-tech/technology/internet/yahoo-buys-a-brimming-tumblr/article5092887.ece|title=Yahoo buys a brimming Tumblr|first=Geeta|last=Padmanabhan|newspaper=The Hindu|date=4 September 2013|publisher=|via=www.thehindu.com}}</ref> After the sale to Yahoo, David Karp remained as [[CEO]]. It is the 25th most popular website in the world.<ref>{{cite web|url=https://www.alexa.com/siteinfo/tumblr.com|title=Tumblr.com Traffic, Demographics and Competitors - Alexa|website=www.alexa.com|access-date=2019-02-14|archive-date=2018-07-12|archive-url=https://web.archive.org/web/20180712205938/https://www.alexa.com/siteinfo/tumblr.com|url-status=dead}}</ref> Famous people with Tumblr accounts include [[President Obama]], [[