It is very important to distinguish the different kinds of products you sell, the services you provide, and the audiences you want to attract or speak to. Having multiple different domain names is a really good way to do that. You can have multiple domain names pointing into one website, and that is a really important thing to understand and to consider because you may have multiple brands. Tom talks about the pros and cons of having niche blog sites, as well as the factors involved in managing and maintaining them.