As a map geek that has lived through the Google Earth revolution, it amazes me how far we have come in such a short time. The pre Keyhole (2001) world is hard for me to even imagine these days, and not just because I am a map guy. Think about what it took back then to look at an air photo of a place you were planning to visit or look at the terrain and profile of a ride you were thinking about doing; unless you had some great connections it was impossible. Back then, If a hotel advertised a beach front location near downtown you had to take their word, now all we do is enter the address and voila, you can not only see where the hotel is but you can see what it looks like from street view, simply amazing.
Every time I show my children some new place on Google Earth I reflect on how they will never know the pre-Google Earth world. Back then, map data providers could be called cartographers, seeing an air photo of your house was a big deal, and the world just seemed much bigger.