Gates' prediction: "People will pay their bills, take care of their finances, and communicate with their doctors over the internet."

What we see now: Tech hasn't been able to change healthcare the way Uber changed transportation, but sites like ZocDoc aim to make finding a doctor and scheduling easier. Startups like One Medical and Forward are trying to change what the doctor's office is like by offering monthly memberships for online and data-driven healthcare.

You can also now borrow money online through sites like Lending Club and easily make payments through sites and apps like PayPal and Venmo.