Whether you drive, walk, bike, or ride the train, you can earn points for each mile traveled that can be redeemed for FREE Rewards in the Miles app. AND, through May 2nd, you can score a FREE $75 Amazon Gift Card when you refer just 4 friends to join. Your referrals just need to download the app using your referral link/code then take three 1-mile trips by 11:59pm PT on May 2. Gift cards will be sent on May 6th. If you're new, click here to sign up and you'll get started off with 2,000 points then you'll see more points added to your account for each trip you take.