Kyle Lacy lists for us 20 Ways to Engage Contacts in Social Media:

1. Start a blog. This seems like an obvious one. This should be one of the first things you think about doing when contemplating using social media as a marketing tool. There should always be a hub where your contacts can interact. The so called “hub.” Wordpress is a great tool to start blogging. Get on it!Kyle Lacy, Social Media – Indianapolis, Apr 2009