My twitter account is for keeping up with social media, technology and business brands. Most of my followers are those interested in Internet related activities. My followers attention can be gotten with tweets talking money money online, social media, blogging and tech updates. I usually post on blogging tips such as how to fix bugs in themes. I tweet how to make money online.
Limitations - What the user will and will not tweet about.
I can tweet about just anything as long it is not related to pornography, religion or politics.