Priceline built its business in 1998 on opaque bookings, or buyer-driven pricing. But the supply of opaque deals appears to be shrinking for it and all players in the industry, according to Tnooz interviews. But a survey of bids shows the steepest discounts are still available on Priceline. The lion’s share of opaque and semi-opaque is still held by Priceline and Hotwire. They’re also being shaken. Two years ago, Priceline imitated Hotwire’s model by showing prices up front (eliminating the bidding aspect) with its new Express Deals product. That new product, with such a minor twist on the original product, has boomed. Priceline says that is currently seeing a decline in revenue from its original Name Your Own Price services. Despite apparently waning inventory, Priceline and Hotwire haven’t indicated any plans to diminish their opaque products, though semi-opaque is certainly overtaking true opaque. Get the full story at Tnooz