I always wondered how credit card companies came up with the digits on my Visa and AmEx. Random chance? Geographical location? Spending habits? Turns out all credit card companies follow an analogous set of rules. Here’s what the numbers mean:
I also didn’t know that there was an effortless strategy to see if a credit card was fake or not. Smart, those credit card companies are. [ Mint ]
The winners of the 2011 Engadget Awards — Readers’ Choice
NPD: Apple grabs over 1 / 4 of the mobile PC business in Q4 2011 (including iPads), HP tops with laptops



