Verizon (VZ) says it's sold about 1 million units of the BlackBerry Storm made by Research in Motion (RIMM) since introducing the device in November 2008 to compete with Apple's (AAPL) iPhone. Verizon estimates that it could have sold another 200 000 Storm smartphones but inventory was limited when the new product was launched. Some users have complained that the device is slow but Denny Strigl Verizon's president and chief operating officer told the Wall Street Journal "We're happy with the device." Verizon said it netted 1.2 million new wireless customers in the fourth quarter boosting its total to 72.1 ...