When @travisk was fundraising Uber's round that valued it at $70B, he ran four rooms simultaneously out of their New York office for an entire week, each booked in 90-minute slots across 12-hour days: "This is how we'd fundraise: we had four rooms in our New York office booked for a week with an hour-and-a-half slot on each. So for 12 hours in a day, four rooms going in parallel." "I'm in the $250M-and-over club, that's one room. Then there are these other rooms, down to the fourth room,…