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  After WWII hotels and motels started becoming very popular.
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  These amenities are now available at all hotels and motels.
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  Introduced by the American Hotel Association it was the forerunner to the modern American Express card.
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  These coin-operated beds were introduced at various hotels. Most were gone by the 1970's.
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  These are becoming more and more common at motels and hotels.
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  These were now commonplace in hotels and some rooms even had their own fridges.
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  The first technology to track and charge for guest phone calls is now. All rooms now have telephone systems as well.
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  Hotels now have color TV's in rooms.
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  The Hotel Billing Information System is introduced.
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  Mechanic coded key cards began to appear replacing classic key locks.
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  Hotels and motels can choose to offer Satellite TV to their guests.
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  On-demand movie systems in rooms are introduced.
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  These systems are now commonplace in conjunction with the in-room phone.
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  Modern day ELS technology is now appearing and becoming standard throughout the industry.
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  Electronic locking safes are now commplace in hotels.
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  Wake-up call systems are now in place to be used by hotel guests.
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  In-room TVs are now connected to the PMS allowing the hotel to broadcast its propoganda channel. Also may allow for IRD ordering through TV as well as checking the guest account info.
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  Making the guest experience even easier these technologies appeared making it a breeze for guests to check in and out.
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  While still a relatively new tool to the public, hotels see the importance and begin providing wired internet access.
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  Progressing as technology does the industry starts supplying wireless internet.
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  Hotels now offer HDTV in rooms
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  This certification is developed by the U.S Green Building Council and forever changes the hospitality industry.
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  Hotels beef up their security systems and protocals after September 11th.
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  Hotels begin to really consider greening and sustainability.
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  The Aria Resort in Las Vegas opens. It is the largest hotel to be LEED Gold certified.
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  Marriot releases its prototype for the very first LEED Green Hotel. It is set to open in 2012.
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  91 hotels are LEED certified; 1,100 have registered and awaiting certification.
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  The future of LEED.