Has any thought been given on code that is version-specific or that is getting slightly outdated ?
As an example I'm thinking of the Facebook API where there have been quite a few changes with the introduction of the graph API and where some code isn't always the best example of how to do something.
However, I am against deletion as this information could still be used for reference. I'd be more in favour of the equivalent of the Wayback Machine.
What solutions do you see ? How you sort what's relevant and up-to-date ?