Facebook proves the validity of the old saying, “Birds of a feather flock together.” Facebook is filled with groups that have been set up around some shared interest. There are dozen of groups about breeds of dogs, or about particular sports, etc. And the members of these groups are usually big fans, eager to stay abreast of the news and events related to their interest. That makes the members of these groups ideal candidates for products related to the niche. Dan Green has created a WordPress plugin he calls WP FB Social Infiltrator that lets you post messages to these groups without... [...]