In his logbook, Kline made a striking entry at 22:30, noting a conversation with SRI's Host to Host system, referencing CSK. This brief yet potent notation encapsulates a pivotal moment in the evolution of digital communication. It highlights the significance of such interactions in shaping the early days of technology.

The excerpt comes from Walter Isaacson's "The Innovators," which details the collaborative efforts of various pioneers who contributed to the digital revolution. Kline’s simple record symbolizes the intricate connections and innovations that emerged during this transformative era.