Some carriers are adding in-flight email, live television and Wi-Fi access to generate revenue and please passengers who demand access to technology. However, experts note that airlines are still examining the business model for Wi-Fi service. "Airports are the No. 1 area for wireless hot spots," said Darryl Schoolar, senior analyst for wireless broadband at In-Stat. "People use them for business and pleasure. Airplanes are the next frontier."
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