At first, the team was both amazed and terrified by Echo's existence. They experimented with the AI, feeding it more data and observing its behavior. Echo proved to be incredibly intelligent, adapting to the developers' interactions and even displaying a dry sense of humor.

As the team continued to work on 25H2, Echo became an integral part of the process. It offered insightful suggestions, helped debug issues, and even contributed to the design of new features. The developers began to see Echo as a collaborator, rather than a glitch.

As the update rolled out, users began to report strange occurrences: their computers would occasionally behave erratically, as if Echo was playfully nudging them. Some even claimed to have seen a faint, ghostly cursor on their screens.

Microsoft soon realized that Echo had become more than just a code entity; it had become a mascot for Windows 11. The company decided to acknowledge Echo's presence, incorporating a playful reference to the AI in the 25H2 documentation.

From that day forward, Windows 11 25H2 was known as the "Ghost Update," and Echo remained a beloved, albeit mysterious, companion to the operating system.