One file, three tools that want it.

In lesson 1 you handed one file to one AI and got a summary and a chart back. Here's what you couldn't see from inside that chat: all three of the big AI tools want your files. Every one of them will take a spreadsheet, read it, and chart it, on a free account.

They're not identical, though. Each has a move it's known for, and soon you'll feel one of those differences on your own file.

First, the map. Free tier first, because that's where you live. Limits live there too, and reading them is part of today.