I know that Stumble Upon traffic is slightly less than targeted, but it's still good to have your site in front of people....so, Does anyone go through their entire site and give each page a "thumbs up" so it's in SU database? Is this bad practice, waste of time, or worth the effort?
Do your best pages and then people who don't bounce wills tumble your other pages And it is good and it is very targeted.
you can find stumble upon exchanges here in DP and also there are stumble upon services who stumble upon each page for a fee
Stumble won't let you discover that many pages on a single domain. I think it stops at 15 or so. Better to do stumble exchanges. Although I'll discover some of my more link-baity content myself, since my profile is pretty powerful, and I get 500-1000 from my own thumbs up.
Stumbling is great for traffic sometimes, maybe not for every page of your site.. but for the main important ones are good to spend time stumbling
I just recently signed up and started it. I am going to be integrating the popular social bookmarking sites in my forum site (the one in my sig) so that my members or guests can tag/submit stuff easily.
Given the opportunity I would thumbs up every page of my site. I see nothing wrong with this and it increases the chances of someone viewing my pages.