https://phys.org/news/2018-07-cities-bird-electric-scooters-kansas.html > The company tracks the scooters using GPS, and pays designated "chargers" between $5 and $20 to pick up the scooters and charge them at home. Then they bring them to their "nests" scattered in downtown, the Crossroads, River Market and 18th and Vine. > For John Ruhlman, the flexibility and easy money of being a "charger" is appealing, and he and about 30 other people attended a launch event by the airport where they learned more about the company.