If you’re a hardware manufacturer trying to figure out where to delegate R&D funds, you might want to pay attention to this. According to an article on ReadWriteWeb, smartphones outsold personal computers in the fourth quarter of 2010, marking the first time such an event has occurred. Analytics firm IDC provides the data, and indicates that smartphone OEMs sold 100.9 million units worldwide — an 87.2% jump year-over-year — while PC OEMs sold 92.1 million units worldwide — a 5.5% increase year-over-year. The report lists the top five smartphone vendors of 2010 (by units shipped and market share) as: Nokia, Research In Motion, Apple, Samsung, and HTC.