5 C's for a killer email content block By EmailGarage on 17 October 2014 in Email Marketing, Tips, Copywriting, Mobile Over the past few years the build-up of email content blocks has changed a lot. And rightfully so. The increased use of mobile devices has forced us to adapt the reading experience to smaller screens. Desktop inboxes have become overcrowded, leading to rigorous filtering behavior. And in the not so distant future emails will be read on wearable devices such as smartwatches.