SunDay is the go-to app for measuring the time you need to stay in the sun to get the daily norm of Vitamin D, which is so vital to health.

Creator of Ruby on Rails, Founder & CTO at Basecamp (formerly 37signals), NYT Best-selling author of REWORK and REMOTE, and Le Mans class-winning racing driver.

I turn web experiences into better life experiences.

Faraday Future is a global intelligent mobility ecosystem company

Web Developer

partner at betaworks • http://matthewhartman.com

CEO @betaworks