Peter Kafka

Recent Posts by Peter Kafka

“Cross-Device” Ad Tracker Drawbridge Rounds Up $6.5 Million From Sequoia, Kleiner Perkins

Drawbridge, an ad tech start-up founded by AdMob engineer Kamakshi Sivaramakrishnan, has raised $6.5 million from Sequoia Capital and Kleiner Perkins Caufield & Byer. Drawbridge says it can help marketers target potential customers by tracking them as they move around from device to device — like from a laptop to an iPhone. Sivaramakrishnan put in six months at Google after it acquired AdMob, before starting her own company.


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Just as the atom bomb was the weapon that was supposed to render war obsolete, the Internet seems like capitalism’s ultimate feat of self-destructive genius, an economic doomsday device rendering it impossible for anyone to ever make a profit off anything again. It’s especially hopeless for those whose work is easily digitized and accessed free of charge.

— Author Tim Kreider on not getting paid for one’s work