• 158 members of the House and Senate are registered with Twitter and issued about 1,187 tweets during the two one-week periods in July and August analyzed for the report.
• Approximately 29 percent of House members and 31 percent of senators are registered with Twitter. Members sent an average of 85 tweets per day collectively.
• House Republicans sent the most tweets (54 percent), followed by House Democrats (27 percent), Senate Republicans (10 percent) and Senate Democrats (9 percent).
• More tweets were sent on Thursday than any other day of the week.
• Members' use of Twitter can be divided into six categories: position taking, press or Web links, district or state activities, official congressional action, personal, and replies.
• The most frequent type of tweets were press and Web link tweets, which comprised 43 percent of in-session and 46 percent of recess tweets.
• Official congressional action tweets during session (33 percent) and position-taking tweets during recess (14 percent)

(Hat tip, TweetCongress)

Happy Tweeting!