This Hub Explains the Hub Score and how to increase it.
There are other Hubs that cover this topic. Just search for them. Basically, just be active on Hubpages and your Hubscore will increase. They also like when you link to other Hubs within your Hubs, answer questions in this Answers forum, and leave comments on other people's Hubs. All of these activities are good ways to get followers too. Good Luck!
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