ReadWriteWeb

It was two years ago that we first heard of Zigtag, a service that promised to "transform how people search, save and share knowledge & information." Now, after a nine-month

The transfer of human intelligence to the machine is something the internet makes easy to do. With reCAPTCHA, we keep spammers at bay while helping digitize old books, Amazon's Mechanical

Has this happened to you? You receive a message on Facebook that you've been tagged in a photo, but when you go to look at the photo you discover that

Popular social bookmarking service Delicious says today is its 5th birthday. While this author was disappointing several years ago that it was Yahoo and not the Library of Congress that

The OPML sharing and matching service Toluu provides a great way to find and share interesting RSS feeds. One feature that had been missing so far, however, was tagging. In

I loved tag clouds from the moment I saw them, and I still do. Two years ago, they roamed the social web like buffalo on the pre-Columbian plains of North

At first glance, the social news aggregation site called FeedzZ appears to nothing more that an Alltop clone with fewer categories. But look again - FeedzZ is actually doing something

Faviki is a new social bookmarking tool that offers something that services like Ma.gnolia, del.icio.us, and Diigo do not - semantic tagging capabilities. What this means is that instead of

Open Calais, a semantic markup API from Reuters that we've written about on ReadWriteWeb before, has finally gotten the Wordpress plugin it has been looking for since January, when it

We have written a lot here about the the vision of building a structured layer on top of the current web. Annotating billions of HTML documents in a bottom-up way