-- Sommer Mathis, columnist for CityLab.com
Companies such as Uber and Lyft, which allow customers to book a ride through their smartphones may have added benefits to communities by reducing the number of drunk drivers. Uber claimed that DUI's dropped by 10 percent in Seattle once its services became available. If these services, which run on credit cards, take cash out of transactions as well, they may also cut down on other kinds of crime like theft as well. The Washington Post recently looked into the impact that these companies may be having on communities. Click here to see its findings.