Embark is a research prototype which enables this workflow by adding three features to text outlines: mentions of structured data like places and dates, rich views like maps and calendars, and spreadsheet-like formulas to compute things like weather forecasts and routes. Formulas can pull in data from the surrounding outline, and they return outline nodes which can be chained into further calculations Our formulas resemble spreadsheet formulas, but with rules for referencing values within an outline instead of a grid. Formulas can pull in data from the surrounding outline, and they return outline nodes which can be chained into further calculations Our formulas resemble spreadsheet formulas, but with rules for referencing values within an outline instead of a grid.