Now Playing: Apple expected to unveil larger and pricier iPhones

Now Playing: Apple to reveal new iPhone in Wednesday's announcement

Now Playing: Apple to unveil 3 new iPhones

Now Playing: Future iPhones could have a foldable display

Now Playing: Facebook called 'digital gangsters'

Now Playing: Virgin Galactic's race to get you into space

Now Playing: Facebook may face major fines

Now Playing: Instagram addresses a glitch

Now Playing: NASA ends mission for Mars rover, Opportunity, after 15 years

Now Playing: Exciting news for electric cars

Now Playing: Amazon acquires Eero, maker of home Wi-Fi systems

Now Playing: Google says it's working on augmented reality phone feature

Now Playing: The fix is in for iPhone users

Now Playing: Brick by LEGO brick, student with rare condition builds his own prosthetic arm

Now Playing: How apps can help you stop robocalls

Now Playing: Waze app under fire from police departments

Now Playing: New emojis include wheelchairs, sloths

Now Playing: Snapchat's stock is up 20 percent

Now Playing: Tech Genius: Iddris Sandu closing the gap between technology and minorities

Now Playing: Flickr is now limited to 1,000 photos