The drop-off point for both of these different milestones right one is i'm going to be an entrepreneur and then okay well are you building and trying to launch something the drop-offpoint is massive for that. The idea of grabby aliens is like look it's still early and the evolution of the universe there are a bunch of intelligent civilizations evolving we're just one of the first within the visible universe but he predicts another one or two civilizations will pop off soon.