Many of us have been living life for the past year in a world of virtual meetings. We've been jumping from one video call to another, connecting with co-workers and classmates on our laptops, cellphones and other devices. If you're feeling exhausted, overwhelmed and a little grumpy with all of this screen time you're not alone. Jeremy Bailenson, a professor and founding director of Stanford University’s Virtual Human Interaction Lab, calls it Zoom fatigue.