Entry 116-4 Mastery is a System 2 min ↩ back to the timeline

An agent for the hold music

From a nearly blind grandfather's stolen phone call to a live product sketch: an AI that navigates phone menus for you, holds the line, transfers you to the right extension, and the design insight that it needs no embeddings, just a context window that fits the whole directory.

video fuente → Source video thumbnail
Source transmission · “0 to 1 Million” diary

// trace: where this idea came from

The problem arrives twice, once as annoyance and once as heartbreak. The annoyance: his phone lives on silent because carriers keep calling, and his counter-move is to answer and say nothing, the robo-dialer needs a sound to start its pitch and hangs up on silence ▸ 40:20. The heartbreak: his grandfather, nearly blind, for whom the phone is a door to the world, gets a call, gets excited, asks for help answering, and it’s Movistar with a two-for-one ▸ 46:44. “Pobrecito, porque estaba emocionado” ▸ 47:06.

So they cook the inverse, hashtag cocinando ideas en vivo: an agent like Boardy but pointed at the phone system, give it a goal, it finds the numbers, makes the calls, and comes back with the answer ▸ 44:34, instead of you pressing zero for this and one for that at the university ▸ 45:17.

pon a la máquina a marcar extensiones; al abuelo dale llamadas de verdad →

The design insight is what earns the mastery bucket: his first instinct was embeddings, and the correction is simpler, no retrieval at all, just put every extension and a description of what each person resolves directly in the prompt ▸ 49:02. A university has maybe a hundred administrative people: “es una ventana de contexto que la puede manejar fácil” ▸ 49:43. Give it three tools, hold, transfer, hang up ▸ 52:05; Julia adds memory, so learned routes skip the questions ▸ 52:25. And the spec already exists in human form: the scholarship kid every office assigns to answer calls of every type and go find out, “simplemente sería replicar lo mismo” ▸ 52:46. A very simple framework, he concludes, then guards it with a joke and gives it away in the same breath: no me la roben; si alguien la quiere hacer, me contacta ▸ 53:16

// continued in

la lista es el activo →

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