Light co-founder Kaiwei Tang helped create the Motorola Razr, and he's as surprised as anyone that over 20 years later, the flip phone is relevant again.
Dumb Co sells flip phones that sync to your smartphone, bridging the infinite connectivity of the iPhone and the unrealistic limitations of an early 2000s relic.
This developer didn't expect his side project to grow to 300,000 users, but people love Roost because it's an alternative to an always-on, fast-paced online culture.