Email Marketing What is the 40 140 rule? March 5, 2026 by Tanp | Leave a Comment The 40/140 rule is a guideline for effective email marketing, suggesting that emails should be no longer than 40 words and sent no more than 140 characters. This principle emphasizes brevity and conciseness to maximize engagement and readability in a world of shrinking attention spans. Understanding the 40/140 Rule in Email Marketing In today’s fast-paced […] Read more ยป