The document highlights how the average person spends over 7 hours online daily, detailing the distribution of time across activities such as checking email (24%), engaging in social media (28%), reading content (23%), and shopping online (6%). It emphasizes marketers' opportunities within these activities, including utilizing email marketing, video ads, social media advertising, and site retargeting. Overall, it underlines the importance of leveraging digital advertising to effectively reach audiences during their online activities.