The Color of Dog Poop, and 9 Other Things That Changed Without You Noticing
by Beth Skwarecki from Lifehacker on (#5XDTK)
No matter your age, you've seen a lot of technological changes in your lifetime-not to mention changes in the natural world, like climate change. But sometimes things change without us realizing. Here are 10 things that used to be very different than they are today-and you probably never noticed.