ALEXANDRIA, Va., Dec. 2 -- United States Patent no. 12,488,400, issued on Dec. 2, was assigned to Pinterest Inc. (San Francisco).

"Optimal notification" was invented by Bo Zhao (Menlo Park, Calif.), Samuel Seth Weisfeld-Filson (Richmond, Calif.), John William Gupta Egan (Mountain View, Calif.), Burkay Birant Orten (Belmont, Calif.) and Koichiro Narita (San Francisco).

According to the abstract* released by the U.S. Patent & Trademark Office: "Systems and methods for generating user notifications to a set of users of a social networking service is presented. For each user of a set of users of the social networking service, one or more machine learning models selects an optimal notification channel, an optimal notification template, and opt...