Benoit Dupin, Vice President of Amazon A9’s Search Technology group, has left the high-profile search technology firm to take up a job with Apple. Dupin’s profile from Amazon A9’s executive management website disappeared this week, and his LinkedIn profile has been updated to reflect that he began his position as a director at Apple this month.

Amazon A9 is Amazon’s Palo Alto, California-based subsidiary that focuses on developing Amazon’s marquee search and advertising functionality. While Amazon has become popular in the tablet, eBook reader, and now set-top-box worlds, its core business has, of course, been Amazon.com, and Dupin’s work on┬ásearch powers the heart of the online sales giant…

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