note 01craft law 02
A deck read in a room and a deck read alone are two different documents
In 2008 Airbnb raised on eleven slides and UberCab raised on twenty-five with no business model, no team slide and no ask. Both worked. So the slide-count rules are not what did the work. What both decks have is specificity, and the reason Uber’s ordering survived is that somebody was in the room to carry it.
The advice given to founders is remarkably stable: ten or eleven slides, one idea each, problem then solution then market then model then team then ask. It is usually justified by pointing at Airbnb’s 2008 deck, which does follow it.
In the same year, in the same city, UberCab’s deck ran to twenty-five slides with no business model, no team slide and no deal terms. The market arrives at slide seventeen, after sixteen slides of product. It raised.
Two decks, opposite rules, same outcome. Whatever did the work, it was not the shape.
What both decks actually have
Specificity, and a lot of it. Airbnb’s market slide names its sources on the slide: the Travel Industry Association of America and the World Tourism Organization for the total, comScore for the serviceable market. Uber’s deck carries car models with fuel-efficiency figures, the launch service area, demand forecasting driven by day, time, weather and traffic, and smartphone penetration charts dated to a single month.
Neither is a description of an intention. Both read as documents written by people who had already done the work and were reporting it. That is the quality a template cannot supply and a generic draft cannot fake, because it does not come from the format. It comes from having gone and found out.
Where the two decks genuinely differ
Uber’s ordering only works with a narrator. Sixteen slides of product before the market is fine in a room, because the moment the question forms somebody answers it out loud. Send the same file to an associate on a Friday afternoon and it is closed long before slide seventeen.
Airbnb’s deck survives being sent, because every slide resolves on its own. That difference is not about quality. It is about which document each one is.
A deck read in a room and a deck read alone are two different documents.enzwa · craft law 02
The room version can front-load whatever is most interesting, because a question gets answered the moment it forms. The sent version has to answer questions in the order a stranger asks them, and the first is always some version of “how big is this, and why you”. Same material, different sequence, and usually a different length.
Most decks get built once and used both ways. That is why so many of them work in the meeting and go quiet afterwards: the file that gets forwarded is a document nobody built.
What to do about it
Decide which one you are making before you start, and if you need both, build the sent version first and cut the room version down from it. The reverse does not work: a deck written to be narrated has holes in it that only a person can fill, and you cannot see them while you are the person filling them.
It is the second question we ask in the brief, before format, before length, before budget, because the answer changes everything downstream of it.