Now Playing: NASA Works to Solve Spacesuit Issues After Successful Spacewalk

Now Playing: Target Customers Have Credit Card Information Stolen

Now Playing: NASA Begins Series of Spacewalks to Fix Space Station Cooling System

Now Playing: NSA Spy Program Could Face Supreme Court Scrutiny

Now Playing: TechBytes: iTunes, Space Monkey

Now Playing: Understanding Antarctica's Extremely Low Temperatures

Now Playing: Social Media Reacts to Nelson Mandela's Death

Now Playing: TechBytes: Tablets as Holiday Gifts

Now Playing: Flailing Arm Tube Man as the New Scarecrow

Now Playing: Hackers Pilfer 2M Facebook, Google Passwords

Now Playing: Stunning Dolphin Megapod Spotted

Now Playing: TechBytes: Hackers, Mobile TV

Now Playing: Woman Ticketed for Driving with Google Glass

Now Playing: TechBytes: Google Field Trip, High-Tech Gifts

Now Playing: Amazon Prime Air Not the Only Drone Delivery on Horizon

Now Playing: Retailers Make Record Sales on Cyber Monday

Now Playing: TechBytes: Google, Volvo

Now Playing: Amazon's Take Down of the iPad Air

Now Playing: Amazon Plans Drone-Delivery Service