Lately, group-buying sites and other companies that use discount-deals as the core of their business have become a red-hot trend, with Groupon spreading through cities around the world at a frantic ...

In just two years Groupon has become one of the fastest-growing companies on the Web. And the amazing thing is that it all kind of happened by accident. Andrew Mason, the 30-year-old guy who started ...

You can pay $62,500 for marketing. You’ll get a whole lot of customers coming through your door. No guarantees if they will ever come back, but they’ll come once. I’ll pay you $21,000. You get $7,000 ...