What's the alternative to stumpleupon toolbar? it was a great experience and it was a great tool.

What's the alternative to stumpleupon toolbar? it was a great experience and it was a great tool.

For those who don't know, it was a tool to give you websites randomly and you upvote what you like and what you dislike, if you bored and want to surf the internet randomly and this also helps you bookmark websites as well, more virtual bookmark method.