This document discusses measuring internet traffic and value. It begins by outlining tactical and strategic reasons for measuring, such as understanding value creation, optimizing networks, and justifying investments. It then explains the network effect and how value increases exponentially with more users and connections. The rest of the document details how internet traffic can be measured at different layers and points, including at internet exchange points, within transit networks, and between peers. It emphasizes the importance of comprehensive measurement to understand profitability, trade flows, and emerging technologies.