In a recent NRG business networking event Chris Bose delivered an excellent talk on how to get more prospects for your business from your website. You can read the full text on his website. The elements of his process for getting more prospects are very useful in the context of generating more referrals in networking.
Niche Domination means aiming your website at only the targeted people who are interested in the specific stuff that you sell. In networking you want your network to remember the specific target market you solve problems for and the more precise you are the better.
If you need help in finding your niche then analyse who you work with today, who you enjoy working with and where the money comes from!