Here are few ways through which bloggers can get good benefit through twitter:
– Build you brand through Twitter
– Promote your content through Twitter
– Look for new audience at twittersphere
– Get food news and stories for your blog through Twitter
– Network with other bloggers with the help of twitter
– Research regrding you new post at Twitter and get feedback from our followers
huh !! If you have more to share then do post your comment 
