(via Dion Almaer and ReadWriteWeb)

Mozilla Labs posted a screencast yesterday of a new feature as part of the Weave project, which enables OpenID at the browser level, which will have potentially significant impact on adoption and use of portable identity technology.

Weave is a Mozilla Labs project, started back in December of 2007, which (before this latest announcement) was mostly known for their Sync service, which can synchonize (and keep in sync over time) bookmarks, saved passwords, browsing history, and tabs, keeping your firefox browser experience consistent across multiple computers. It’s quite useful for those of us who have a work desktop, home desktop, and laptop, or some other combination of multiple computers regularly used.

This new effort, however, integrates OpenID into the Firefox user experience:

Our sprint changes the browser to provide single-click login to sites with saved passwords as well as sites that support a federated identity (OpenID in this case). It also provides the option to automatically sign in when the page is loaded, essentially providing a single-sign-on-like experience regardless of the login method being used. In the case of OpenID, we intercept the login procedure and, taking advantage of the fact that you’re already logged into your browser, and then use Weave identity to let you into the site.

Screencast

Unfortunately, for now, you have to install the latest weave development build which also requires you to be running Firefox 3.5 beta, so it isn’t really quite ready for public consumption.

There’s also, of course, the risk that people will use this poorly – storing saved OpenID on shared machines, etc – but I think the model of allowing the browser – after you’ve logged into it – to login on your behalf – will be a really good UX improvement over time, and one I hope the other browsers will take up and implement themselves.