Of course, users can also just change the code themselves if they want to.
Also a Windows based control panel, where users could change their settings, was included.
If the user changed the master drawing, all the instances would change as well.
The majority of cameras only have one lens that users cannot change or take out.
On personal computers, users can change their games without special hardware.
Sometimes the user can change what size an icon is.
It doesn't require more power until the user changes the page view.
A remote control lets users change the music while away from the computer.
The real cause was that the users were always changing their minds!
It is free in the sense that users can change the software to fit individual needs.