Internet forums can be invaluable resources; they're where experts on all sorts of subjects gather to discuss problems and new developments, or simply make friends. So it's more than a little important that the Google Groups site now attempts to return search results from all over the Internet.
So this PC World story covers the new version of Google Groups, which is now out of beta, which means little in the sense that beta users have been using this interface for months.
If your invitation to Google's after-hours party at the annual World Economic Forum in Davos somehow got lost in the mail, you can use that time to explore the newly updated Google Groups service.
It's more than just a facelift, as Google took the existing Groups service that grew from its long-ago purchase of Dejanews into a more Googly look with an expanded set of features.