Twitter has also addressed these issues by releasing new features for its own site, such as Lists, to help manage what could be an overwhelming experience on Twitter. But something I've always stressed is the importance of genuine behavior on social networking sites–Twitter in particular. It's quite difficult to automate or fake genuine acts, and people will respect your marketing efforts more if they don't appear to be marketing efforts. That being said, I recommend that you start off with the removal of "guru" from your professional title. Next, focus on genuine interaction with other social media users if you want an effective marketing message