Polling fatigue is normal in the runup to a presidential election. Employers are finding ways to tap into worker sentiment less obtrusively. Glint-LinkedIn equips firms with survey tools and AI analytics to keep tabs on the collective mental state of their employees. Justin Black, head of people science at LinkedIn, explains the potential benefits: productivity gains, a more engaged workforce, and less burnout; and the pitfalls: disengagement and a loss of trust. Covid-19, social strife, and the strains of remote work raise the stakes.