The document provides examples of successful digital marketing campaigns from various companies like Apple, Zappos, Nike, Dabur, Redbull, Uber, Gillette, Philips, Zomato, Vicks, and Envelopes.com. It describes the objectives and outcomes of each campaign, such as Apple's #shotoniphone campaign that had 6.5 billion media impressions worldwide and Zappos' search engine marketing that generates 20% of its total sales. Overall, the examples demonstrate how different digital marketing tactics like social media, influencer marketing, video campaigns, and email marketing can effectively promote brands and products.