I use maximum 2-3 links if the post is about 500 words, but i think it is depending on the amount of the text

I think that if that pluggin just gives you a schema markup. Why not just to go to schema.org get the local code and place in your page.

With that you would avoid a pluggin instalation that you slow page speed just fot a simple code that you can get on web.

It would be nice to have one app on iPhone. I use most of my time on moz community in the iPhone

were can i get the promo code to subscriber discount on the DVDs