The Site-centric Web confines users to individual sites in order to use specific apps and services, but the User-Centric Web breaks those barriers and allows users to access those very same apps and services from anywhere on the Web. You're no longer chained to social networks, and can even communicate with your friends on those sites while somewhere else.
What's unique about this tool is the way that it interacts with any website that you visit. For example, if you highlight some text on a site and click the Wikipedia applet on the RoamAbout bar, a small pop-up window will appear with results from Wikipedia based on the text you selected.
There are already a wide variety of applications that you can add to your RoamAbout launcher. They range from the usual services such as Wikipedia, YouTube, Flickr and Twitter to fun diversions such as PacMan. Look for a tremendous increase of apps to come soon as the OpenSocial platform gains more acceptance and new applications are developed.
Vysr has established an OpenSocial Registry for developers that want to learn how to make their apps more portable and part of the user-centric Web.
