You believe it or not it is true that the world 2nd largest PC makers Dell says it has made $3 million using twitter alone. When asked about this, Stephanie Nelson, Dell Blogger said that it was not an overnight things that had earned them this much. Dell has been there in Twitter for more than two years now and they have managed to grow steady followers for their outlets via @DellOutlet.
This has made them earn around $2 million via Twitter referrals for their scratch, certified refurbs and previously ordered Dell items. They also took another $1 million from people who went to the Dell proper from the outlet to buy new stuff.
Dell has a twitter account that is only for this commercial purpose and has more than 600K followers. This makes the company one of the top 50 most allowed Twitter users according to reports from the Twitter counter.