Using Gmail to...

ExtremeTech has this article on October 13, 2005 on how to use Gmail in other interesting ways including to-do lists, searching rss feeds such as news and torrent updates. making notes, as a spam filter for other email accounts, and as an online photo gallery!

Gmail's spam filtering is so great I use it myself for filtering my regular ISP email. First, I set my ISP to forward all email to my gmail account. Then I turn on Gmail pop access so I can access my email in my regular email program. All my ISP email is filtered through Google's spam filters before I see it. I also have the bonus of Google keeping an archive of all my email and I can check it online when I'm not at home.