Measuring social distribution is crucial for understanding how many new users a product will attract after a new user joins. The k-factor is a key metric that measures this, with values above one indicating virality and below one showing limited growth. To improve the k-factor, it's essential to monitor four metrics: MUU, MAU, DAU, and pDAU, as well as three key ratios: MUU to MAU, MAU to DAU, and DAU to pDAU. Improving these ratios can increase engagement, encourage sharing, and ultimately drive growth. However, spamming or attempting to force distribution without a compelling reason for users to return will only lead to negative consequences, such as losing users and damaging the product's reputation. By focusing on retention and providing value to users, businesses can harness the power of social distribution to accelerate growth.