With Drupal, you can share the work of building up good content with your users. Allowing certain people the ability to add/edit pages or just simply by allowing commenting you can turn your ageing content into an up to date and well informed site by working together with your visitors.
Comments can be turned on for sections of your site, or on a page per page basis. You are also able to choose exactly who you want to give access to commenting, maybe only your trusted friends, maybe anyone who has applied to the site and has been given administrative approval. With Drupal its made flexible, but easy!
User commenting
I am a normal user, I don't have access to add or edit pages, but I am privileged enough to be able to comment on content that I like or want to add my knowledge and experiences to.
I like this
I love this functionality, if I see something that I don't agree with, I can post a comment with ease and put my thoughts to the community. I may be wrong however, so lets see what the community say and maybe if I'm right, admin will update the page!