Getting a lot of traffic from social networking sites like Twitter for instance, is an added value for our blog, why? because as more links on the blog we share on these networking sites are also going to get better positions our blog on search engines like Google, Bing, Yahoo and other search engines because a lot of backlinks that go to our blog.
Well, for you who have a blog based on WordPress, and want to get traffic as I mentioned above, may be below the plugin you must try.
1. Retweet Button Tweetmeme
This is a quick button to send the article via twitter.
2. Twitter Counter
Calculate how many followers on twitter.
3. WP to Twitter
Send status from twitter wordpress blog.
4. Comment Twitter
Allows comments received from readers twitter account.
5. Twitter Friends Widget
Widget that displays a list of friends on twitter.
6. @ Reply
Later will appear @ in front of the comments that come from twitter.
7. Twitter Feed
Twitter feed brought in WordPress.
8. Popular Twitter Links
Want to see how many messages on twitter that shows the link in this article wordpress.
9. TweetBacks
Almost similar to the number 1.
10. Follow WP Plugin
Showing follower in WP.
Good luck, hopefully useful to your blog. 
