Quick Study: E-Mail Subject Line Length Matters (Sort of); Customer Pain Minimizes Marketers’ Gain; Online Video in 2009

*Size Does Matter: According to a study by Epsilon on the importance of subject lines in e-mail promotions, the relationship between subject line length and response is weaker that previously thought. That said, the research did indicate that, overall, shorter subject lines correlate with higher open rates and click rates, but subject line word order, word choice, brand and audience awareness are also critical success factors. According to the study: