tl;dr:The zone of genius are "activities that you are uniquely good at in the world, and that you love to do, so much so, that time and space likely disappear to you when you do them." Document each activity you do in a 2 week period, and highlight those that give you energy, and those that take it away. For the latter, find ways to eliminate, outsource or reframe the activity. The aim is for 75% of activities to give you energy.
tl;dr:The format of the all hands is always the same, which allows the meeting to be quick. Transparency is the key, especially around revenue and where the company is against their OKRs. Here's the agenda: