TD or not TD? That is Now a Question http://labs.actionrocket.co/td-or-not-to-td-that-is-now-a-question
Why can’t I get my HTML email to look great on Android devices? https://www.campaignmonitor.com/blog/post/3638/why-cant-i-get-my-html-email-to-look-great-on-android-devices/