The History Source on Instagram: "Whether you tap your card or pay with your phone, you’re likely accustomed to the fast, seamless transactions of digital payments. It’s all so routine now that it probably seems dull. But in the late 70, and into the 80s, it was cutting edge technology. Electronic credit card machines revolutionized payment processing by replacing the tedious process of manual imprinting devices with faster, more secure systems. These machines used magnetic stripes on credit car