i have never used it either ... let us know if you find it useful ...thanks - Raza from Alert Thingy

I use Stumble regularly!! its perfect when u dont have any particular thing in mind and just want to be given smth in accordance to ur interests!! i found bunch of stuff which i bookmarked through Stumble. - Hayk H.

I've played with it before, I don't use it regularly though. Mostly I use it when there's time to kill. - LonelyBob

I just started a few weeks ago as I was considering a startup that had some similarities and wanted to check out what was what. Haven't fully integrated it in my daily routine yet though. - Andrew Leyden

I use StumbleUpon regularly to find stories/news and find it very useful! - Joe Dawson

I've never used it but I like the fact it's given me loads of blog traffic over the last few days thanks to a couple of users reviewing a post I wrote about Japan's mobile technology. - Martin Bryant

About time. It's one of the most important and most inspirational services out there. - Dennis Bjørn Petersen from twhirl

Oh and feel free to add me: http://dennisbp.stumbleupon.com/ - Dennis Bjørn Petersen from twhirl

great time killer.... I'd use it more often if I had more time to kill.... - c010depunkk from twhirl

on trouve un max de ressources intéressantes (photos...) avec un coté surf aléatoire ! - arnet from twhirl

I use it all the time as my book marking system, the pay off for the writer is about 300 people go to their site, at least those that share their stats off my stumbling of their web sites. Nice pay off, good entry, at least somewhat of a reward. - Dan Morrill AKA Techwag

It's one of those sites that has the uncanny ability to present you with pleasant surprises every once in a while. - Kevin Singarayar

my son asked if it was going to be a swimming pool - Steven Livingstone-Pérez from twhirl

that last post was of course in reference to the hole in Russia - although i don't know the future direction of StumbleUpon - Steven Livingstone-Pérez from twhirl

I have been using it since 2003 or 2004... but not that active recently. Anyways, if interested, here is my profile: http://d2s.stumbleupon.com - Daniel Schildt

je l'utilise dans ma barre d'outils pour mettre en favoris pleins de site que je trouve ou que l'on propose sur StumbleUpon, mon profil est http://dame-chlodyne.stumbleupon.com/ - Dame Chlodyne

StumbleUpon is great, very focused signal/noise ratio - Mark Edmondson

Love it. Please add me to your stumble contacts http://tojosan.stumbleupon.com/ - Todd Jordan

enjoyed it some time ago as a "memory location" but remember now at Evernote...never really StumbledUpon many new places. SU concept and team are Aces - coolblueskies

Yep, I use and love it... I'm not using it as much as I used to, but I still love it :-) - Loup Dargent

More entertaining/informative than Solitaire. - Jack (a.k.a. Jeber)

video is particularly good - Marshall Kirkpatrick

Easiest casual browsing on the interwebs. - Chris Baskind

No but I get a ton of people visitng my blog from Stumble Upon. - Andrew Fielding

never - net

Stumble Upon is the best tool to discover the variety of the World Wide Web. You start to really understand what the Web is when you use Stumble Upon - Guy DOYEN from Alert Thingy

StumbleVideo is really fun! Great way to pass the time! http://video.stumbleupon.com/ - David Beach

I wouldn't be without it since I live for novelty, - Tom Landini

you should try and retry StumbleUpon... you'll discover brilliant, useful and odd websites. Besides, StumbleUpon will bring you a lot of web traffic if you'll stumble a site of yours... - Chiara Lorè

I use it constantly. It has been the single most helpful tool for driving traffic to my blog. - vjack