Dropbox: The hottest startup you've never heard of - Fortune TechA company that wants to bring online storage and sharing to the masses? Hardly original, but with numbers like these, Dropbox may do just that. The startup on every venture and angel investor's lips these days isn't a social media company or a site hawking coupons. No, the tech world is currently enamored with Dropbox, a four-year-old company that aims to bring cloud computing -- that catchall ph
