I don't know how you still have your bookmarks from 1999, but your comment made me curious.
I googled my username with results limited to http://slashdot.org/ and the oldest comment I could find was from October 15th, 1999.
http://yro.slashdot.org/article.pl?sid=99/10/15/1224252
That day (http://slashdot.org/index.pl?issue=19991015)
We were:
Asking people to donate spare cycles to climate prediction
Talking about some Cyberprivacy prevention Act
Talking about Sun an Open source (boy we've been discussing that one for a long time haven't we)
Letting everyone know that the FCC would leave broadband alone
Talking about a major Star Wars character that was about to die in a book.
Gasping in horror when we learned that Microsoft was lobbying to cut the DOJ antitrust budget
Discussing that Debian was going to be available through retail channels, and how "newbies" would never be able to install it.
Talking about Open Source Poster Boys
Announcing two brand new Slashdot sections, Apache and BSD
Reviewing a commercial IDE for Linux (Codewarrior)
Discussing advances in nanotech
Reviewing John Carmack's answers to his questions
Drooling over IBM's huge 73 GB hard drive
Discussing a BBC interview with Bill Gates
Celebrating that there was going to be free general admission at FreeBSD Con
Talking about a review of "that half Palm III half Cell Phone mutant thing".
Wondering why there were no widescreen TV's in the US.
Announcing the Li18nux effort
Making fun of online language translation tools
Unsurprisingly, most of the links the sources of that day's stories are now 404.