Shortened Post URLs for twitter or any other social network that may need a short url. Default short URL is http://siteurl.com/p/175 ( where 175 is the post id ) but can easily be changeed to whatever you'd like ( maybe http://siteurl.com/175 ).

Exclude specific products or entire product categories from being counted towards the free shipping threshold, or completely disable free shipping for the entire order if a specific product is in the cart.