The document discusses why it is important to care about the past and provide access to obsolete web data and resources. While some may question if users want access to outdated information, replaying full past experiences on the web can provide more value than just a summary and give insights into how things used to be. Providing access to historical versions of websites allows users to study changes over time and get a more complete picture of the past.

1. Why Care About the Past?
Michael L. Nelson
Michele C. Weigle
Old Dominion University
Department of Computer Science
www.cs.odu.edu/~{mln,mweigle}

2. Why Care About The Past?
From an anonymous reviewer (emphasis ours):
"Is there any statistics to show that many or a good number of Web
users would like to get obsolete data or resources? "

3. Replaying the Experience…
…can be more compelling than a
summary

5. vs.