Echo Chamber?

Arianna Huffington on blogs, in Salon:

And because blogs are ongoing and daily, indeed sometimes hourly, bloggers will often start with a small story, or a piece of one — a contradictory quote, an unearthed document, a detail that doesn’t add up — that the big outlets would deem too minor. But it’s only minor until, well, it’s not. Big media can’t see the forest for the trees. Until it’s assembled for them by the bloggers.