Can I use my iPhone to earn money?

Episode 1355 (27:49)

Ellie from Honolulu, HI
Perk app

Ellie has been using this app called Perk to watch TV and do other activities. She earns points with it that she can cash in for gift cards. Leo says it's a whole new world, as people can use their phones to do just about anything. At the end of the day, she is trading her attention and information for this. Leo uses something called Google Opinion Rewards that does something similar.