StumbleUpon

The StumbleUpon Extension for Opera is the easiest way to discover new and interesting photos, videos, web pages and more from across the Web.

If you're a StumbleUpon member, you have to be signed in to your StumbleUpon account to see Stumbles related to your Interests when you use the extension.

If you're not already a StumbleUpon member, sign up for a free StumbleUpon account to see pages recommended for you based on your Interests when you use the Opera extension.