Look first at your own site and determine what your primary topics and styles are. Due to the fact that your comments will be much more reliable if you leave remarks on blogs and sites whose contents are related to what your own site has, this is very crucial. The general rule here is that as much as possible, comment only on those sites that are on the exact same specific niche as yours. This doesn't indicate you can't discuss unrelated sites; but you need to keep it to a minimum.
When you develop an online forum on Facebook, you remain in control. You are the Administrator of that online forum. You moderate the of the online forum. You have full control.
Let's