Dr Adequate writes:
Well, evolution has a clear-cut definition already. But I think anyone can come up with their own metric of "information". There may be more than one way to do so --- Shannon information and Kolmogorov complexity, for example.
I think that both evolution and information have clear-cut definitions, and that anyone can come up with their own evolutionary mechanisms or information metrics that we can assess. Where information and evolution differ is that a layperson can be persuaded which definition of evolution properly applies within biology without too much difficulty, but this is not true for information. Convincing laypeople that meaning has no place in information is as difficult as convincing them that entropy isn't what makes rooms messy. Which makes a lot of sense since information and entropy are flip sides of the same coin.
--Percy
PS - Kolmogorov complexity is not another information metric. It combines Shannon information with computational concepts to form one approach for measuring algorithmic complexity.