With Disqus, you can allow your visitors to easily post comments through their Facebook or Twitter accounts. Disqus perfectly syncs with Wordpress comment system and the comment on your database is also synced with Disqus’ server. But with the latest version of Wordpress, Disqus has some issues showing the comment counts for the post. Here is how you can fix comment count error in Wordpress 3.1 when Disqus plugin is used.
Avid commentators are pretty much familiar with Disqus. Disqus now adds a feature that lets people use “@” mentions in the comments like in Twitter and Facebook. You can tag any user with their Twitter or Disqus username using the “@” symbol followed by the username or any person who has commented on the same post.