In addition to measuring the k-factor, it's important to look at other metrics such as user engagement, retention rate, and lifetime value. These metrics will give you a better idea of how your product is performing in terms of word-of-mouth marketing. Additionally, looking at the click-through rates on referral links can also provide valuable insights into how effective your referral campaign is. By utilizing all of this informa  tion, you can gain an accurate picture of your product's overall performance and make data-driven decisions to optimize its virality and growth potential.