US Patent Issued to Amazon Technologies on Nov. 4 for "Privacy preserving protocol for serving user-specific supplemental content" (New York, Maryland, Washington Inventors)

ALEXANDRIA, Va., Nov. 6 -- United States Patent no. 12,463,947, issued on Nov. 4, was assigned to Amazon Technologies Inc. (Seattle).

"Privacy preserving protocol for serving user-specific supplemental content" was invented by Eric Crockett (Redmond, Wash.), Gang Wang (Frederick, Md.) and Joan Feigenbaum (New York).

According to the abstract* released by the U.S. Patent & Trademark Office: "Embodiments of a privacy preserving supplemental content server (PPSCS) implements a privacy preserving protocol with a content server that requests the PPSCS to serve supplemental content for users. In embodiments, a user-to-segment map (USM) containing user-private information is split into secret shares and stored separately at the PPSCS and the con...