ALEXANDRIA, Va., July 30 -- United States Patent no. 12,374,038, issued on July 29, was assigned to Apple Inc. (Cupertino, Calif.).

"Virtual presentation rehearsal" was invented by Benjamin Hylak (San Francisco), Aaron M. Burns (Sunnyvale, Calif.), Grant H. Mulliken (Los Gatos, Calif.), Mary A. Pyc (Campbell, Calif.), Nathan Gitter (Cupertino, Calif.), Pau Sastre Miguel (San Francisco) and Steven A. Marchette (Saratoga, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "In one implementation, a method of assisting in the rehearsal of a presentation is performed at a device including a display, one or more processors, and non-transitory memory. The method includes obtaining a difficulty level for a rehears...