8 hotels that changed the industry | cnn.com

From minibars to pillow menus to 24-hour butlers, today's hotels have turned every indulgence and convenience into a standard necessity. But this wasn't always the case. Not long ago, those little shampoo bottles that people now love to swipe didn't even exist. Nor did in-room iPads or fingerprint recognition technology. Oh, the humanity! Thankfully, over the last 100 years some innovative hotels have helped pave the way for these...