Four Hot Applications

It’s too late to say anything cogent about folksonomies, but this paper does pretty well.
Check out the following four web applications and look at how they’re allowing users to tag and browse content. It’s a wonderful new wave of innovation. – Social bookmarks.
flickr – Social photo sharing.
Books We Like (Howard Rheingold example) – Social book recommendations.
43 Things – Social goal setting.
And, if you’re looking for an interesting framework to build your next-generation web application, you’re going to hear a lot more about Ruby On Rails this year. Basecamp is a damn fine product built on it.