It is all about sharing a message. Sim ply put, on Facebook, Post Reach is how many people see (view) your post. Taking this one step further, Post Engagemen t is how people interact with your post. This includes, clicking on the post to read more, adding a comment, like the post and the golden gift—a share (letting others in their FB network learn about your post), for an exponential increase in reach! The difference between reach and engagement is important as the later can multiply the number of people learning about your Facebook page. It would be quite useful to think about what your posts are about and how the reach and engagement differ between posts. Then one can use what works best and repeat it. This is all free, not paid ads. Facebook Insights apply to paid advertising to reach specific market segments. Then one would reach exactly whom they want and there is little waste (r...