In the 21st century, digital technology is a core element in the lives of billions. For most, the devices with which we work, play and consume media illustrate this fact. Though we make do with the tools we’re given, the software we employ is designed, curated and eventually abandoned. Yesterday, Windows 7 became one such example. Microsoft formally ceased its support of the decade-old operating system still used on over 446 million machines around the world. This week, a brief and personal tribute from one of its many users.