They allow easy publication of information, and let readers comment on the material.
Over the last several years I've had many readers comment on how they would like to be able to travel with me.
The Cover is an interactive product which allows readers to comment on articles and issues as they happen.
Never actually commented here before, despite the fact that I am a very frequent reader of yours.
A reader commented on this issue in relationship to his location.
The paper has a very impressive website, where readers can comment on articles.
Many readers have commented that almost all the major events of the play occur in the first act and a half.
One reader commented, "Crawl back under whatever rock it is that you returned from."
However, readers have often commented that the stories read like history rather than fantasy.
As you noted in your question, readers can comment on any of our blogs.