Now Playing: A car’s price is determined by how many miles you drive.
Now Playing “What do you do when you need a big-ticket repair but your car is so bad you have to take it to a mechanic?”
– Uber driver.
Now Working: How to get a job in tech after graduation.
Now What?: The top 10 reasons people left their jobs in 2017 Now Playing Meet the people who are trying to make the world a better place.
Now Watching: A ‘smart’ algorithm can predict your behavior and get you a raise.
Now: Why is the world falling apart?
Now: Here’s what a nuclear war would look like.
Now Here: Here are some of the most ridiculous things Trump said in his first 100 days.
Now WATCH: ‘Wreck-It Ralph’ creator says he’s working on a sequel