Peter Kafka

Recent Posts by Peter Kafka

Tumblr President John Maloney Leaves

John Maloney, who has steered day-to-day operations at Tumblr for nearly four years, is stepping down. The company hasn’t announced a replacement for Maloney’s president slot. Maloney had previously employed Tumblr CEO David Karp at Urban Baby. Last week, Karp announced that his company, which has yet to generate significant revenue, would start selling advertising.


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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