Have you ever seen this on your computer? That is the Wayback Machine! Here's a example of using it: Your teacher asks you to get the oldest version of the PBS Kids website. But you don't know how! So, you type in https://pbskids.org into the first text box, go to it from October 13, 1999, and there! Slideshow below: (P.S. I can't get to it from then) Now, where is the Wayback Machine? It's at web.archive.org !
This is my first Blogger blog!