The 5 Best Credit Card Readers for Android (Recommended By Experts) Your email has been sent Android devices have made significant technological advancements in recent years. Like iPhones, they can ...

How to Use Square: An In-depth Guide for New Users Your email has been sent Before you can begin using Square, it must first be set up properly. This step-by-step guide explains how to do so. Though ...

We reported on the dongle-based audio signal credit card reader for iPhone and other connected mobile devices a short while ago, which has been pioneered by Twitter creator Jack Dorsey. Square uses a ...