Here's one view. http://www.badrobot.co.uk/istumble/

http://stumbleupon.com is the site where you can get it.

Here's an unofficial faq. http://stumbleupon.theprawn.com/#official_docs glossary blog entry an item in the comments section of the Reviews page of a stumbler's profile commentary page a page accessible via the speech bubble (aka Page Reviews) toolbar button note: An example is the commentary page for this FAQ. favorite (aka thumb-up Site, aka thumb-up Page) a stumble that has been rated "I like it!" by a given user IE toolbar the StumbleUpon toolbar for the Internet Explorer browser and for other browsers such as Maxthon (formerly named MyIE2) that use Internet Explorer services miscat a miscategorization report note: See the "topic categories and miscategorized URLs" item of this FAQ for details. Mozilla toolbar (aka mozbar) the StumbleUpon toolbar (or, more precisely, a browser extension) for browsers based on work of the Mozilla project note: The Mozilla toolbar usually sees feature additions before the IE toolbar. note: Stumblers frequently recommend the Mozilla Firefox browser, augmented by the Tabbrowser Extensions extension, in preference to Internet Explorer. nickname a stumbler's username, configurable via the Prefs page of that user's profile profile the set of pages where a stumbler's personal information (if supplied) and statistics are published stumble 1. a webpage known to the StumbleUpon database via its URL and, hence, servable via the Stumble! button of a StumbleUpon toolbar 2. a nickname for the services of StumbleUpon stumbler a user of StumbleUpon services webpage review a comment posted via the commentary page for a webpage