We may receive a commission on purchases made from links. Though they initially faced competition from rival formats, SD cards — short for Secure Digital — have long been the standard form of ...

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Verizon Wireless today announced that its stores will now sell the Square Card Reader, which allows small business operators to accept credit or debit card payments with a smartphone or tablet. The ...

Accepting credit cards requires a payment processor like Square or Stripe, a merchant account, and hardware like POS ...

“Thumbzup was the first company in the world to launch the smallest chip-and-PIN, magstripe and contactless capable card reader, which plugged into a compatible phone or tablet via the audio jack 10 ...

Every tablet Amazon Fire tablet released in the past few years has featured a microSD card slot, which is a nice thing to have if you’re using a tablet that may have as little as 8GB of built-in ...