This week, Inc. editors and writers talk about how three e-scooter rental companies quickly expanded to multiple cities and caused mayhem for local governments. The group also discusses Tom Foster’s feature in the newest issue of Inc. about 400 startups that are trying to be the next Warby Parker of underwear, tampons, toothbrushes, and other everyday items. Lastly, Inc.’s San Francisco bureau chief Jeff Bercovicci talks about his book “Play On,” which is about how elite athletes are able to use cutting edge training to compete longer.