Last week, tech companies offered the web their April Fool's "jokes," like cats with dead mice, and we all sort of uncomfortably nodded. It's never been harder to discern a facetious idea from the genuine article than right now—and when "Fitbit for your pet" is considered a real business, who's to say what's a joke anymore?

Sheryl Sandberg didn't need to write an updated version of Protestant Ethic and the Spirit of Capitalism about leaning in to the end of weekends. Tech workers have already internalized that message that there should be no distinction between work and life. Rather, spiritual fulfillment lies in "peak productivity."