Neil Patel is an expert in Search Engine Optimization, and optimization, or conversion of all types.  This infographic is valuable.  While it is specifically referring to contact forms on website, you could use this information anywhere including on Facebook, G+, & Twitter, as well as in email newsletters and on your website.  Take special note of the action words that have been proven to increase conversions.  (Conversions equals leads equals sales!!)  Happy Marketing!

 

 

How to Optimize Contact Forms for Conversions
Courtesy of: Quick Sprout