[mewzilla]

Evolution doesn't dictate that all things be useful, just not harmful. Doesn't even need to be deemed useful for the future, though I'm not sure how a genome would determine that in any case :)

[Texas_Jarhead]

You said, "Evolution doesn't dictate that all things be useful, just not harmful. Doesn't even need to be deemed useful for the future, though I'm not sure how a genome would determine that in any case :)"

On the first portion; Then couldn't stuff that's not in use but has not been discarded be considered 'junk'? On the second part; Of course it can't.