The document summarizes a seminar presentation on viral marketing. It defines viral marketing as a technique that uses social media and technology to increase brand awareness or achieve other marketing goals through self-replicating processes similar to the spread of viruses. It notes that emotional, valuable, educational, entertaining, and humorous content along with discounts and games are most likely to spread virally. Examples mentioned include Skrilo, PhonePe, Hike, and Tez. Advantages include low cost and high brand awareness, while disadvantages include lack of control and lower chance of success. The conclusion states that with proper planning, viral marketing can rapidly reach a large audience at low cost.