Reviewing rejected apps would be a waste of time given how many apps YC has received Only a small number of those will have made it big since then, though (by

Reviewing rejected apps would be a waste of time given how many apps YC has received Only a small number of those will have made it big since then, though (by whatever definition). So they'd only have to look at a small amount to see if there were any indicators that they might have overlooked.