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When you create a JFrame, do you also add a little WindowListener so that it will close properly?

Do you double click on the SystemMenuBox to close a window in Windows?

Do you set a local variable to null right before it goes out of scope to "help the JVM garbage collect the object"?

Do you set your IDE to use "version 4 keyboard bindings" even though the current version is already 10?

Do you still use java.util.Date methods that have been deprecated for years?

Do you use any features of Microsoft Office 10 that are not present in Microsoft Office 6?

If you do, then you have experienced software version inertia---the phenomenon that people seem to latch on a particular version of software and stopped progressing.

The version of software that you parked yourself in is usually the one that you feel comfortable and productive. Any further learning would generate diminished returns.

I don't think this is a bad thing. The way I see it, the learning has got to stop, and the working has got to begin!