Times have changed. Gone are the days, in large part, when folks slathered themselves in oil and set up shop on the beach for a few hours. We've still got a long way to go, but as a society, we've begun to recognize the dangers of overexposure to the sun's UV rays, which can cause skin cancer. But, most of us remember the more carefree days when we'd come indoors to find our skin the color of a lobster's.