In modern software development, it is a common practice to include some kind of analytics tracking software to see how customers are using your software, what a typical user flow of the application is, and if any issues with the software are encountered. This luxury was not always available, especially for software on systems not connected to or predating the internet.
How were analytics gathered on legacy applications? Did software development companies use tools like registration and surveys to gather information from their customers in order to gather information on how to improve their software?