You can build your list of contacts by getting to know your followers on hubpages. contact them and find out some information and ask them how can you help them solve a problem that they may have.
You can do this with twitter...connect with your followers.
You can do this with facebook...connect with your followers.
You can do this with myspace..connect with your followers
You can do this with any social network that you have...just connect with the people that follow you and find out what they injoy doing, find out if they have any problems that you can solve and so on.... find out if they are having any kind of event.
find out what kind of business that they are in...help them with it. make sure that you get their email, skype, website, join their groups, and so on.