Credit card companies have decided to become your friend, before it’s too late. If they chat you up instead of sounding threatening when you call, they figure, you might pay them back first. That’s the message from New York Times reporter Charles Duhigg, who just published What Does Your Credit Card Company Know About You? While they’re getting friendly with you, credit card companies have managed to learn a thing or two about exactly your ways. For starters, they’re never happier than when customers buy premium bird seed, or put their kids’ pictures on their credit cards. But if they hang out at Sharx, an upscale pool hall in Montreal? That’s bad news. With a special guest appearance by Sharx regular Laura Roberts.