22:54 nah, you get paid based on whether your employer makes money. You could be doing a very difficult job but make pennies. Or a mid level difficulty job but make a ton. 公司赚钱而且你的取代性低才是你价值的决定因素。就好比如你只会知道现在做AI很赚钱,因为你觉得他很难,但在GPT之前这个行业的工是很Niche的,不是给的比较少,是根本很少机会。