You think you know a lot about technology. You're the person everyone — friends, family, co-workers — seeks out for advice on what phone to buy or how to set up their new printer. And maybe you truly are a tech aficionado. But can you answer the question of when? When were these semi-recognizable gadgets unleashed upon the world? Time plays tricks. Time is cruel. What is time? Does it exist? For the purpose of the below quiz, we will concede that it does. Rack your brain, and good luck. But seriously — don't use Google.