I think one of the best advances provided by the Internet is how Google is photographing the world. It used to be with cars. And now it is with people walking around. We won't be able to see 1% of earth in our lifetimes. With such tools, we can partly experience it remotely. Here is a short video showing how they are outfitting people to take the images:
You can read more about it here: http://www.google.com/maps/about/behind-the-scenes/streetview/
And this video if you have not yet used the standard street view:
You can read more about it here: http://www.google.com/maps/about/behind-the-scenes/streetview/
And this video if you have not yet used the standard street view: