Research In Motion co-CEO Jim Balsillie said that, despite the current hype around netbooks, smartphones will end up ruling the day due to their pocketable design. The comments are notable as they come a day after Verizon Wireless announced it will launch an HP netbook. Nonetheless, Balsillie said smartphones like RIM's BlackBerry would win out. "Form factor is a personal preference but it's got to be something that lasts the better part of the day and you can hold up to your ear and clip onto your belt," he said in an interview with Reuters. "Those are a very tight systems constraints for a netbook." Article