http://www.engadget.com/2014/10/08/elon-musk-tesla-d-hints/"Need a few more breadcrumbs to follow until Elon Musk "unveils the D" (and something else) tomorrow?"
Elon Musk, co-founder of Paypal, SpaceX, and Tesla Motors, is about to play one of the greatest D'z Nutz joke ever on consumers and pioneers of the hybrid cars front alike.