Data can be a powerful and rewarding strategy to use in salary negotiations, if you know how to use it wisely and appropriately. To optimize your results and experience, it's important to start your data research early and update it regularly to keep track of the market changes and opportunities. Additionally, customizing your data analysis and presentation to suit your audience and context can help make it more appealing and understandable. When using data to communicate your value and expectations, be confident and assertive, yet humble and realistic. Furthermore, be open and curious when using data to learn and improve, not to justify or defend, your position and performance. By following these best practices and tips, you can use data effectively in salary negotiations, helping you achieve your desired compensation while demonstrating your skills, experience, and potential. However, you should also be careful to avoid common data pitfalls that could undermine your confidence and credibility.