You’ve probably done something like mow a lawn or vacuum a rug hundreds of times without thinking much about it. We wanted to see it for ourselves, so we built a lawn and asked people to mow it. An Optimal path ReplayA few weeks ago, 30,954 people mowed the same lawn. Upon seeing the lawn revealed, they naturally paused to survey the lawn and, perhaps, made a plan. Pick a lawn and mow it, or explore where people paused, backtracked, and finished.