Amazon.com is running a limited promotion–until the end of this January–where any Amazon customer may refer friends to sign up for Amazon Student, and then receive a $10 credit for each friend that signs up. Amazon Student is Amazon’s version of Prime, but at 50% off for students. All you need is access to a valid .edu email address in order to sign up. The first six months of the membership is considered a free trial period. Just like Amazon Prime membership, Amazon Student membership includes free 2-day shipping on all…… (click read more!)