“Chief Executive Officer Thierry Vanlancker has spent the past year watching his manufacturing head, David Prinselaar, flap his arms, madly gesticulate and seemingly talk to himself while ‘visiting” 124 plants by directing staff with high-definition augmented-reality headgear on factory floors. A task that meant crisscrossing the globe in a plane before is now done in a fraction of the time — and with no jet lag.” Delta has slowed the return to business travel. But it may never fully come back. Bloomberg: Business travel as we’ve known it is a thing of the past. (And getting drunk on mini bottles of booze while watching Spectravision isn’t nearly as fun at home.)