Surprise No. 7: Twitter's shares fall by 70% as a disruptive competitor appears.
Strategy: Short Twitter (TWTR) common and buy TWTR puts.
Elon Musk wants to get you from New York City to Washington D.C. in 29 minutes
Passengers could travel between New York City and Washington, D.C. in under 30 minutes.
Commentary: Moving the dirt is the easy part of the audacious proposal.