Even though Chrome is quickly becoming used more often in my office, I still consider Firefox to be my primary browser (although I tried to dump it). For a long time, I tried to avoid the use of extensions in my browser. However, I have since embraced the added functionality and have generated a list of what I consider to be the best extensions to enhance your everyday browsing and internet activities..
StumbleUpon is the easiest way to discover new and interesting photos, videos, web pages and more, recommended by a community of experts. Tell us what you are interested in and we recommend page after page of amazing stuff you’d never expect to see. If you are ever bored… StumbleUpon will save you
More here