It's easy to sign up for Uber on the mobile app for iPhone or Android. Here's everything you need to know to sign up for an Uber rider account.

You can use Uber promo codes to save money on free or discounted rides. Uber will even give you a $15 promo code just for creating an account.

Uber's newest features include options for cheaper rides and food delivery. Users will soon be able to find cheaper groceries and get a new type of shared ride in the app. CEO Dara Khosrowshahi has ...