A new method for creating responsive emails? The Drop Calc Method.

http://blog.edmdesigner.com/the-drop-calc-method-to-create-responsive-html-emails/

Cool email trends for 2017

https://www.outboundengine.com/blog/cool-email-trends/

Are Interactive Emails Really the Next Big Thing?

https://medium.com/@ZURB/are-interactive-emails-really-the-next-big-thing-78de557298aa

Interactive Hotspots in HTML Email

https://www.emailonacid.com/blog/article/email-development/interactive-hotspots-in-email

Rollover Images in Email

http://freshinbox.com/blog/rollover-image-brown-bag-directv/

Dynamic SVG Timer in Email

http://stylecampaign.com/blog/2016/04/building-a-dynamic-svg-timer/

CSS Animations in Email and Vendor Prefixes

http://freshinbox.com/blog/css-animations-in-email-and-vendor-prefixes/

Interactive Carousels in Email

http://freshinbox.com/blog/email-carousel-hp-envy-bnq/

The Responsive-Aware Approach

https://litmus.com/blog/the-responsive-aware-approach-optimized-design-effort-with-great-gains

Adding Interactivity to Email Design

http://www.emailmonks.com/interactive-email-advancement.html

How to Code Video Backgrounds for Emails

https://litmus.com/blog/how-to-code-html5-video-background-in-email

Future-Proof Responsive Email Without Media Queries

http://webdesign.tutsplus.com/tutorials/creating-a-future-proof-responsive-email-without-media-queries--cms-23919

Typographic Patterns In HTML Email Newsletter Design

http://www.smashingmagazine.com/2015/08/typographic-patterns-in-html-newsletter-email-design/

Rollover or Tap to Reveal Technique in Email

http://freshinbox.com/blog/rollover-to-reveal-in-email/

The Dawn of Kinetic Email

http://freshinbox.com/blog/the-dawn-of-kinetic-email/

Using Emoji in Email Subject Lines

http://directmailmac.com/blog/2013/10/emoji/

Will There Ever be an Email Standard?

http://www.emaildesignreview.com/html-email-coding/will-there-ever-be-an-email-standard-2707/

TD or not TD? That is Now a Question

http://labs.actionrocket.co/td-or-not-to-td-that-is-now-a-question

Four Creative Email Experiments You Should Try

http://blog.hubspot.com/marketing/email-marketing-experiments

Hamburger Collapsible Menu in Email

http://freshinbox.com/blog/hamburger-collapsible-menu-in-email/