It is said that the internet is forever. This is not true. Things get lost, times change, people forget.
Madness string 2621
We don't know what a large fraction of our genome is exactly supposed to DO. Sometimes it does nothing; a large genome is no guarantee of the complexity of the organism. The humble potato has a larger genome (number of base pairs in its DNA sequence) than humans do, and yet it just kind of sits there and... potates.