PR rep for Arizona ridesharing company Dryvyng flips out when asked if revenge pornster CEO Craig R. Brittain sent “profanity-laced” messages to Facebook users I recently blogged about Craig R. Brittain, founder and CEO of Scottsdale, AZ ridesharing company Dryvyng. Craig R. Brittain (source) Brittain previously ran the revenge porn site, IsAnybodyDown.com. The controversial site encouraged…