Tesla's solar roof tiles coming to market: https://techcrunch.com/2017/05/10/tesla-opens-up-solar-roof-pre-orders-answers-the-most-important-question-how-much-will-it-cost-you/
Very interesting TedTalk on the use of data. "You've never seen data presented like this. With the drama and urgency of a sportscaster, statistics guru Hans Rosling debunks myths about the so-called "