In a report, founder David Karp says the stakes for proving that Tumblr is a great business are 'as high as they've ever been.'
You could be the next Whatsapp if you stay organized and prepared with these tips from SXSW.
David Karp will earn about $20 million a year if he stays at Yahoo for the next four years.
Yahoo's $1.1 billion acquisition of Tumblr shines a lot on the elusive topic of planning an exit strategy.
From grounding yourself with down-to-earth colleagues to marketing to millennials, here's a look at this week's best business advice.
The blogging platform's 26-year-old founder, David Karp, will stay on as chief executive.
The microblogging-site founder dishes about the evolution of Tumblr and why he loves the Big Apple.
David Karp's blog platform has seen hockey-stick growth, and so has his learning curve as entrepreneur. He shares how his company bounced back from the tech tumble that brought down millions of blogs last year.