9 Things That Turn 20 This Year — Prepare to Feel Old

In 1995, Craig Newmark began emailing his friends about local events around San Francisco. His distribution list basically went "viral," and people began using it to advertise things like job openings. By 1996, he brought the whole thing online, but he didn't quit his day job until 1998. As you can guess from today's interface, not much of the original layout has changed.