Peter Kafka

Recent Posts by Peter Kafka

Tumblr Counts Its Money–$30 Million of New Funding

Prompted by an SEC filing, Tumblr finally fesses up about its big funding round, which we noted a month ago. The final numbers: Sequoia, Spark and Union Square Ventures put in $30 million, for a post-money valuation of $155 million.


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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