Its a "AMA" or "Ask me Anything."
Original Post: >Zip2, PayPal, SpaceX, Tesla and SolarCity. Started off doing software engineering and now do aerospace & automotive.
>Falcon 9 launch webcast live at 6am EST tomorrow at SpaceX.com
>Looking forward to your questions.
>https://twitter.com/elonmusk/status/552279321491275776
>It is 10:17pm at Cape Canaveral. Have to go prep for launch! >Thanks for your questions.