First up, Amazon has announced a new product called "local register," which is not unlike the plug-ins for tablets and smartphones that lets small businesses run a credit card. We take a look at how it works. Plus, school staffing has shot up nearly 500 percent over the past several decades, according to a new report. The data shows that a huge chunk of that growth is teacher aides. And Chinese Internet giant Alibaba is getting ready to sell stock, in what could be the largest IPO ever. More on what could be a $20 billion endeavor for the company.
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