[andymoe]

My first thought was D for driverless but perhaps the more conservative guesses are correct. Dual drive etc.

[beltex]

http://www.theverge.com/2014/9/18/6446245/musk-says-fully-se...

[andymoe]

Yeah, I know, but I still think there will be semi-autonomous driver assist features much sooner and wild speculation is fun.

[andymoe]

I win :) http://www.theverge.com/2014/10/2/6894875/elon-musk-says-nex...

[beltex]

:)