When booking a hotel room online, the description of each room usually includes a phrase or two that describe its use and appeal, such as "king bed with pull-out couch" or "hi-speed internet" or "grab bars in shower."  I keep coming across the inclusion of "curved shower rod," and I can't figure out what I'm supposed to think.  Is a curved showed rod a luxury item?  Am I supposed to be impressed and willing to pay more?  Or is it a safety device for the morbidly obese, i.e. "you'll have no problem fitting in the shower with our magical shower-expanding curtain rod"?  One of life's many mysteries.