People can ride bikes almost for free In Shenzhen, China. This is because bike sharing companies compete each other aggressively in this city. On a daily basis, brand new bikes are poured on the street by the companies such as Ofo (yellow) or Mobike (orange).
I used Mobike for a month. There is no designated station for picking up or parking bikes. Instead, I used an app to search available bikes nearby and scanned its QR code to unlock it. When I finished my travel, I scanned its QR code one more time to lock it. Its convenience went beyond my imagination. Trucks circulate the city and collect bikes at night and released them at high traffic spots in the morning.
Competition in this city raise some issues. Bike sharing companies manufacture too many bikes, they do not make profits, some bikes are unsafe, and other bikes are dumped out in the woods.
However, competition solves one issue: bike theft. Virtually no one seemed to be interested in stealing bikes. Bikes are not privately owned but public goods in this city. I leaned that one solution to prevent bikes from being stolen is everyone has one bike. I wish my Canadian and Danish friends also enjoy riding bikes without worrying about bike theft like Chinese do.