``As a result, IFE has become a double-edged sword for airlines: a powerful marketing tool when it works, and a customer-relations nightmare when it doesn’t``

``Air Canada shares the same philosophy. ``Our executives are very keen on making these systems work,`` says Ford Chown, the airline’s chief engineer-interiors. ``Passengers think if the video doesn’t work, they wonder what else is wrong on the airplane, so we concentrate a great deal on reliability.``

Wencors system is independent self contained units at the seat.....

doni