When you invite a Facebook friend to try Portal, you create a one-time discount that your friend can apply to a new purchase on portal.facebook.com. Your invitation will be sent through Messenger by Facebook Inc. on your behalf. Portal discounts have no cash value, can only be used to buy a Portal or Portal+, and they expire 30 days from the day you send them.
Valid only at portal.facebook.com. Can only be applied towards the purchase of Portal/Portal+ products in a single transaction. Discounts have no cash value, are non-transferable, and expire on the date stated in the invitation. One time use only. Not valid for cash or cash equivalent. Not valid on prior purchases. Cannot be applied towards taxes or any expedited shipping and handling fees. Cannot be combined with any other discount code or coupon, unless otherwise expressly stated in a promotion. Improper use or redemption constitutes fraud.