ALEXANDRIA, Va., Jan. 20 -- United States Patent no. 12,530,413, issued on Jan. 20, was assigned to Maplebear Inc. (San Francisco).

"Suggesting keywords to define an audience for a recommendation about a content item" was invented by Ramasubramanian Balasubramanian (San Francisco), Taesik Na (Issaquah, Wash.) and Karuna Ahuja (San Francisco).

According to the abstract* released by the U.S. Patent & Trademark Office: "A computer-implemented method for suggesting keywords as a search term of a content item includes receiving, from a content provider, information about the content item in a database of content items. The method further includes generating a set of seed keywords related to the content item, and expanding the set of seed keywo...