"We're not giving out precise forecasts, but registrations on our Web site lead me to believe (the Christmas sales period) will be a strong sales period," Obermann said. "The real question for me is whether we have enough devices and can meet customer demand." Anxious customers waited in line outside T-Mobile despite wind and rain for their chance to purchase Apple's iPhone. T-Mobile employees reportedly began handing out blankets, umbrellas, hot beverages, and pretzels to those customers still waiting outside.