Credit | Card

: American Express launched its first card, and Bank of America introduced the "BankAmericard," which eventually became Visa .

Before McNamara's cardboard card, merchants in the 1800s and early 1900s used metal coins or "Charga-Plates" to let regular customers buy on credit locally. credit card

: In the 1960s, IBM designers struggled to attach magnetic tape to cards until an engineer's wife suggested ironing it on , which worked and paved the way for modern swiping. A Useful Lesson: The "Freeloader" Paradox : American Express launched its first card, and