I just installed StumbleUpon again; I had it probably about a year and a half ago. I went through all my interests, options, etc, and then hit Stumble! My first result?
Update: My tally now is mozilla.org, some illusions page (relatively interesting), Google Zeitgeist, and Slashdot. That’s 3/4 that I know of, including 2/4 that I know well. I thought this was supposed to help find new sites…
Update 2: So of the first 16 sites, 6 I know well, 4 I know of, one I know of and usually avoid, and only 5 were new. I’m wondering how effective this is going to be…