Google’s current return-to-work policy mandates that employees work in the office at least three days a week. Brin’s message underscores the intense competition between tech giants to achieve artificial general intelligence when machines match or become smarter than humans.It’s not only employees who are putting in the office hours. Multi-billionaires, too, are rolling up their sleeves to keep their companies ahead of the AI curve. In a Feb. 26 memo to employees who work on Gemini, Google’s lineup of AI models and apps, Brin wrote, “I recommend being in the office at least every weekday, adding that that “60 hours a week is the sweet spot of productivity.” Do you think that working from home makes employees unproductive ?