Sometimes you may experience a lack of chips. Your friends can share them with you every 24 hours on the Crew screen, Gifts tab.
You will see the number of chips (if any) you have been sent by your friends at the top of the Gifts screen. Hit the Send & Request button, as seen in the screenshot below:
After you've accepted the gift, you will see the timer being to count down the time until you are able to send and receive chips again:
You can invite friends to play the game and exchange gifts with them, or you can make friends with players on Facebook. You can meet them in the community.