According to a study by US-based Barracuda Networks, only about 1/5th of Twitter users or 21% to be precise are actually regular users of Twitter. Barracuda Networks defined regular Twitter users as those users who have at least 10 followers, follow at least 10 people, and have tweeted at least 10 times on Twitter.com. The study also revealed that 49% of Twitter users and 48 of the top 100 most followed Twitter users, have joined...