Amazon limited new Prime memberships amid shipping delays

In the third week of December, Amazon limited new memberships to its Prime service to protect the timely delivery of orders for current members. CNBC reports that more than 1 million customers became new subscribers during that time.

Amazon Prime is a membership program that offers free shipping on certain online purchases for a flat rate of $79 per year.

Amazon shoppers this year set a record, ordering 36.8 million items on Cyber Monday, equalling 426 items ordered per second.

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