The lesson I learned from trying out the old spreadsheet software is that it is very difficult to think oneself back into how applications worked 20 years ago. Trying to operate a spreadsheet which does not support a mouse or ctrl+v etc hotkeys is really hard. This is another problem with emulation. We are expecting our searchers fifty years from now to use an app dependent upon interface devices like a keyboard, a mouse etc, whereas the human-computer interface of 2057 might look nothing like that. Our users won’t know how to operate the application. They will have to sit down with the manual and try to learn a clunky old system, whereas 95% of the time all they want is the raw data. They possibly won’t even be able to copy the data out of the historic 2007 app and paste it into their 2057 app, anyway.

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