June 2, 2015 at 1:00 a.m.
| Updated June 1, 2015 at 11:50 p.m.
by
John Rawlston
Randall Smith of the Chattanooga Vapor Company, center, exhales as he attends Vapecon at the Chattanooga Convention Center on Sunday, May 31, 2015, in Chattanooga. His company did not have a booth at the event, but he came to check out products from dozens of companies from around the country.