Well, he had just prior spent some time explaining how to convert any growth rate to 100% just by scaling the time axis. So when he says it's 11:59, he means it

Well, he had just prior spent some time explaining how to convert any growth rate to 100% just by scaling the time axis. So when he says it's 11:59, he means it's 10 years (or whatever) to the end, if one were to assume constant growth.