A hidden Google Earth slider lets you travel up to 80 years back in time - here's how to try it
Elyse Betters Picaro / ZDNET You might've heard about that recent viral Street View trend -- the one where people learned they can go back in time and see street-view-level imagery of their house or a loved one's home, and they're getting emotional spotting long-gone relatives, friends, or even trees when they try it for themselves. But did you know you can do something similar with Google Earth? Also: Waze vs. Google Maps: Which navigation app is best? Unlike Google Street View, which only g