By Lora Kelley, The New York Times Company “Fun to be had! Fun. To. Be. Had!” Todd Zanzinger crowed to an audience of remote tech workers on Zoom. It was the opening ceremony of an information technology company’s virtual Olympics, and music blared as Zanzinger, whose Zoom display name read “Hype Guy Todd,” walked 69 teams of co-workers through the rules of lip sync karaoke. In the world of tech companies, off-site retreats were once the stuff of legend: a Beyoncé concert for Uber employees in Las Vegas.