Peter Kafka

Recent Posts by Peter Kafka

Another $85 Million for Tumblr

Tumblr, the booming blogging platform that has yet to spend much time generating revenue, now has even more time before it has to get down to business. The four-year-old company has raised an $85 million round led by Greylock Partners and Insight Venture Partners, along with new money from Peter Chernin and Richard Branson. Earlier investors Spark Capital, Union Square Ventures and Sequoia Capital re-upped as well.


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I think the NSA has a job to do and we need the NSA. But as (physicist) Robert Oppenheimer said, “When you see something that is technically sweet, you go ahead and do it and argue about what to do about it only after you’ve had your technical success. That is the way it was with the atomic bomb.”

— Phil Zimmerman, PGP inventor and Silent Circle co-founder, in an interview with Om Malik