Understanding Inspire

Every once in a while I hear someone grumble about those weird little "captcha" things that pop up when you try to post a comment or otherwise interact with certain websites. You know, the oddly skewed jumble of words you need to decipher and then retype to prove you aren't some kind of droid hell-bent on inundating the Internet with opportunities to meet tall men or rich men or Eastern European women, buy prescription drugs sans prescription (and those pesky U.S. drug-safety standards), or shed 30 pounds in two weeks by drinking this special milk shake that the diet industry doesn't want you to know about.