John Hodgson, of Metro Cab, gets ready to call a client to let them know he's arrived Friday, May 12, 2017, in Sioux Falls. "You don't know what's coming next," Hodgson said about driving a cab. "That's the fun part," he said. Hodgson is active on Snapchat, and communicates with about 50 percent of his clients on Friday and Saturday nights using the application, he said. Hodgson also has a liquor license and serves his clients alcohol.