Hi, I've been trying to figure out how to customize the links which are
colored as visited in my browser with my own 'visited links files.' 
IE doesn't allow import/export of browser history, but I found out the
'visited links directory' on my computer is:

C://Documents.../<username>/Local Settings/History/Today/<website
domain>/[visited links stored as internet shortcuts]. 

I'm able to move these internet shortcuts OUT of the directory, but
when I try to copy the internet shortcuts back INTO the directory it
gives me a circle with a line through it.  If I can get WRITE
access to the directory, I can effectively customize the colored links
in my browser and keep track of the links I visited a year, 2, or 3
years ago for websites I'm trying to monitor "what's new." 

Otherwise, if you have any other ideas on how to quickly keep track of
what's new on a large website on an annual basis, let me know. Thanks!

You can mark a link to a page with a timestamp of when the page was
created - at least you can on sites you control.  Then you get to see
the new page colour (blue) if it's been recreated since last time you
looked at it.  I do this often using cgi-style ?t=15000000 sort of
thing even on text pages.

The other thing you could do is use a proxy that's aware of what
you've looked at and chooses colours according to this.  I've thought
of (but haven't done it) writing one to track google answers - mark
questions that are new or have had new comments/answers since I last
read them.   It would be a bit of work but doesn't sound like rocket
science.

Thanks Bozo, yet these are not my sites, and I only know basic
python... never heard of a proxy or writing one.