Now Playing: Amazon announces new headquarters in New York City, Virginia

Now Playing: Amazon chooses New York City, Virginia as locations for new headquarters

Now Playing: The Briefing Room: Jay Carney on why Amazon chose to do a sweepstakes for its HQ2

Now Playing: The Briefing Room: Jay Carney explains rationale behind new Amazon HQ locations

Now Playing: Amazon offering free holiday shipping to everyone

Now Playing: Google employees stage worldwide walkouts

Now Playing: Dow plunges another 500 points, massive sell-off extends into 2nd day

Now Playing: Dow Jones closes down more than 800 points

Now Playing: Sears files for Chapter 11 bankruptcy protection

Now Playing: Budget airline files for bankruptcy, hundreds of passengers stranded

Now Playing: Stock market plunges, negative for the year

Now Playing: New York sues ExxonMobil for misleading investors

Now Playing: Driving the new Rolls-Royce SUV

Now Playing: JPMorgan Chase CEO regrets saying he could beat Trump

Now Playing: SEC sues Tesla CEO Elon Musk for 'misleading' tweet

Now Playing: Lyft co-founder discusses future company IPO

Now Playing: Lyft co-founder isn't interested in flying Lyfts

Now Playing: Lyft co-founder: 'The idea of getting car keys on your 16th birthday' going to change

Now Playing: Suspect seen tossing wine bottles in violent robbery

Now Playing: JPMorgan Chase CEO says US in a 'trade skirmish' with China: 'It's not a trade war.'