Ah, great to know that the merchants have another tool to take whatever money they feel entitled to from my account based on nothing more than "but we really re

Ah, great to know that the merchants have another tool to take whatever money they feel entitled to from my account based on nothing more than "but we really really want to!" My first introduction to credit cards, when I was a kid, was via some.. uh.. shared CC numbers online. I couldn't believe how insecure the whole system was. Were people just that naive back in the day?