KPIs, or key performance indicators, are one of the most important metrics used to measure the success of a social media campaign. They provide valuable insights into how well your campaigns are performing and can help you identify areas for improvement. KPIs can range from simple metrics such as post reach or engagement rate to more complex measurements like customer lifetime value and cost per acquisition. By monitoring these KPIs regularly, marketers can track whether their campaigns are hitting goals related to brand awareness, lead generation, conversions and other objectives. Additionally, by understanding which channels deliver better returns on investment (ROI), marketers can adjust budgets accordingly and optimize future campaigns for maximum impact. Ultimately, using the right KPIs will enable you to make data-driven decisions about where best to invest your time and resources so that you get maximum results from each social media campaign.