BACtrack S80 Professional Breathalyzer - See at Amazon Best high-tech: BACtrack Mobile Smartphone Breathalyzer - See at Amazon Best portable: BACtrack C6 Smartphone Keychain Breathalyzer - See at ...

With some amazingly talented people, he launched BACtrack, marketing personal breathalyzers, and today the San Francisco-based company has the largest share of the North American market.

It is a key to our success, as there is no other company out there who can say, ‘We know personal breathalyzers better than BACtrack.’” I asked Keith, “What role, if any, did customer ...