See social network profiles of people in Gmail, along with option to retweet, reply and latest tweets.
Want a more richer experience when you read emails in Gmail, then get Rapportive. This enhancement works with all browser and adds social features related to sender of email when you read their email. This includes showing their latest tweets. Link to follow them on different social networks, and leaving notes for later.
Rapportive widget includes features like replying to tweets, retweeting and even quoting clips from emails in your tweets. You can test out this social interaction widget yourself at: Rapportive.com