|User since||April 27, 2012|
|Number of add-ons developed||0 add-ons|
|Average rating of developer's add-ons||Not yet rated|
Easy and Accessible Rated 4 out of 5 stars
StumbleUpon is a neat, efficient and handy app. As a Tumblr blogger, the Firefox StumbleUpon app provides a useful and quickly accessibly StumbleUpon button which which is unavailable on most other browsers. The tool bar is highly customisable and easy to useThis review is for a previous version of the add-on (4.11.1-signed).