Membership has its privileges at Costco, and in a bid to keep it that way, the retail giant is piloting a new way to keep non-members out of its stores. Costco is testing card scanners at the ...

Add Yahoo as a preferred source to see more of our stories on Google. Next time you head to Costco, make sure you have your plastic or digital membership card – and a matching ID. The members-only ...

Square offers the best credit card reader for Android. Find out my other top recommendations below. Android devices have made significant technological advancements in recent years. Like iPhones, they ...