A check mark. An airplane. A star. You’ve likely seen these and more in your inbox as part of email subject lines. Symbols have been a tool in the email marketer’s arsenal for years. Some of them, like a well-placed snowman, have a positive effect on open rates. The simply-drawn snowman is a member of the symbol font family, precursor to today’s colorful emojis. Using emojis in your email subject lines adds humor or playfulness to your message, so consider the tone of your email before inserting a dancing woman in a red dress. A/B testing will go a long way in helping you find out if emojis make your audience more likely to open your email campaigns. Find out more about how emojis affect your email open rate in the infographic below.