I'm the founder of PopSockets. My day includes long forest walks and drinking a green tea-coffee combo I call 'graffee.'

Source: Business Insider

Barnett does 100 "Barnett-ups," a workout move he coined, three or four times a week. David BarnettDavid Barnett, the founder and former CEO of PopSockets, shared his daily routine with Business Insider. A former professor, he spends his days thinking about philosophy — and PopSockets.