At their worst, captchas are impossible to decipher; at their best, they're fun? A startup called Are You a Human has developed PlayThru, an alternative to text-based authentication. Instead of requiring the user to type some blurry, nonsensical word, PlayThru has them play a mini-game, such as dragging and dropping a car into an open parking spot. The startup says this method is more secure than word captchas -- since automated bots have a harder time solving these image-based puzzles -- and more fun, because users generally have a better time when their ability to identify letters isn't called into question. PlayThru has been in beta for several months and is current
