Effective email marketing discusses the importance of email marketing and provides tips for success. Some key points include: - Email marketing has high returns, with a $1 investment yielding $41 on average (ROI of 41:1), much higher than other marketing channels. - Over 90% of users check email daily, and two-thirds have made a purchase due to an email, compared to only 20% for Facebook. - To be effective, emails should be relevant, engaging, timely, and targeted to specific groups. Content is also critical, and should be personalized, avoid shouting, and have a clear call to action. - Proper list segmentation and growing lists organically through website signups and events is important