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United Airlines passengers to see targeted ads on seat-back screens
(www.cbsnews.com)
This is a most excellent place for technology news and articles.
This is thinking based on emotion not reality, most of the internet is free because of adverts so your belief that it's not used to lower prices is clearly silly. Yes companies love profit but they often increase profits by lowering prices to attract more business, it's a perfectly valid business model to use adverts to reduce the cost to the customer and increase customer volume.