A new term was brought up to me recently - Fluid Hybrid Email Template Design. (http://www.emarketer.com/Article/Marketers-Choose-Responsive-Email-Templates-Over-Fluid-Hybrid-Design/1013885). I'm looking to understand if it’s something we should be doing or not - currently we use very basic one and two column email templates built in Marketo. I am totally green on the subject so any insight is appreciated! Thank you.