From the last paragraph: "a couple writers" -> "a couple of writers"
"its completion" -> "it's completion"
It seems really important to me, that you get these sorts of things right in all your posts, even if you yourself won't be writing your prospective clients' blog posts.
It is really important. You are right. In my haste to get this product out the door this morning, I forgot to send the post to our copy-editors. I screwed up. Sorry :( I certainly won't be making that mistake again.
