The success of a new headset with smart capabilities from Facebook can be measured using several key performance indicators (KPIs). One important KPI is user adoption rate. This can be measured by tracking the number of users who purchase the headset and how frequently they use it. A high adoption rate indicates that the product is meeting a need in the market and that users find value in its features. Another KPI is customer satisfaction. This can be measured by conducting surveys and analyzing user feedback. It's important to understand how users feel about the product and whether it meets their expectations. This information can be used to make improvements and adjustments to the product in future iterations. Sales revenue is another important KPI. This can be used to measure the financial success of the product and its impact on the company's bottom line. It's important to track sales over time and compare them to projections to understand the product's financial performance. Finally, engagement metrics can be used to measure the success of the product's smart capabilities. This can include tracking how often users interact with the smart features and how they use them. This information can be used to refine and improve the smart capabilities in future iterations. By tracking these KPIs and making adjustments based on the results, a product manager can measure the success of a new headset with smart capabilities from Facebook.