Archive it's not that visual. You go navigating through cached pages. Instead, I think he refers more to how to visually compare two different snapshots of a certain website. Put a number where it says "two" -> any number.
Imagine a image slideshow of photos you go having a glance at, but with most important snapshots of a certain media, say nyt.com.
Imagine a image slideshow of photos you go having a glance at, but with most important snapshots of a certain media, say nyt.com.
I think it's an interesting tool.