at first. Disqus has such a feature, and it essentially lets users comment and chat without having to reload the page, as Scoble points out.

This means less page views, which could translate into less advertisers for publishersbloggers.There is potential for increased engagement though, which means more time spent on the site. Overall weve seen the time spent on page increase about 3x, Scoble says of his Building 43 site.