Treefingers is a social web experiment that allows anybody to “plant” a thought anonymously — and vote on the thoughts of others in an interesting manner. Bad plants get weeded out and good ones are watered, creating an abstract forest with thoughts of varying colors.

Using Treefingers is easy: simply click the “water” button on thoughts you like, and the “weed” button on thoughts you don’t. You can submit your own thought to the site by clicking “Plant a Thought” in the upper-right corner. Treefingers requires no registration and is completely anonymous. Your thought will appear instantly on the site for other visitors to water and weed!

Treefingers empowers advanced web technologies to provide a website that continuously updates. This means you can track the activities of other Treefingers users in real-time! Plants change colors before your eyes as people water and weed them, and new plants show up instantly. The result is a living, breathing website that is constantly changing! [via Christina Coleman]