For me it was a ream of printer paper and a mug full of random writing implements.
IMO the platform is unmatched at rapid on-demand WYSIWYG visualization.
Not so great for a productivity app, though. Too easy to lose important information when it's on the same sheet of paper as a drawing of a graph algorithm that turned out to be wrong, and trying to remember whether x cross y positive implies x right or left of y.
alt Hacker News
For me it was a ream of printer paper and a mug full of random writing implements.
IMO the platform is unmatched at rapid on-demand WYSIWYG visualization.
Not so great for a productivity app, though. Too easy to lose important information when it's on the same sheet of paper as a drawing of a graph algorithm that turned out to be wrong, and trying to remember whether x cross y positive implies x right or left of y.