Roswell developer Chad Etzel created the "SMARTA" app due to frustration with the outdated official MARTA app. The SMARTA app offers a modern interface with schedules, maps, and real-time transit ...

When Chad Etzel downloaded the MARTA app to plan a trip to a Georgia Tech football game last fall, he mistakenly thought he’d downloaded the wrong app. MARTA’s On the Go app looked outdated an ...

But one thing you might have gleaned from reading about Patrick McKenzie, Ryan Leslie, Leah Culver, and Chad Etzel is that the engineering mindset is often predisposed to (a) having strong ...