Never underestimate the POWER of a postscript. They are insanely effective and can help you direct your audience's attention. I use them all the time (including below):

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Listen to past episodes: http://www.authorlevelup.com/flash 

Watch my YouTube channel for writers: http://www.youtube.com/authorlevelup 

Read my books for writers: http://www.authorlevelup.com/books 

Check out my fiction: http://www.michaellaronn.com  and http://www.mlmcknight.com

P.S. If you are reading this, you've just proven my point. :)