David Kenny, the chief executive at Nielsen, said the company plans to convert its New York offices to team meeting spaces where workers gather maybe once or twice a week. “If you are coming and working at your desk, you certainly could do that from home,” Mr. Kenny said. “We have leases that are coming due, and it’s absolutely driving those kinds of decisions…. Warren Buffett predicted that the pandemic would lead many companies to embrace remote working arrangements. “A lot of people have learned that they can work at home,” Mr. Buffett said recently during his annual investors meeting.