How to validate online information?

It comes as a subject in Wesley Fryer' page. And it has to be with the approach Mr Obama just had to the popular Flickr. How do we know whether Obama is really behind that account? Yes, we know he's many people to help him out but as Fryer says, we can go to his page and verify effectively there is a link to his Flick account. So, no spoof at this point. However, in school how these kids and students can learn to validate this kind of info?

If one or more of your current or past students created a “spoof page” purportedly made by you on any social networking website, how would others be able to verify whether or not it was truly yours? Do you have a personal website where you link to other websites you maintain and have actually made? I know most teachers don’t, but should they? It’s an interesting question to consider.

Until then follow Wesley suggestion: check back with The Quality Information Checklist.