The essay is open, and the reader toolbar carries Ask about this.

Press it and Ask docks beside the page, which keeps scrolling behind the panel.

The scope control decides what Ask may read.

Current item keeps it to this essay.

Select a passage first and the action becomes Ask about selection.

The selection rides along as a chip above the box, and you can drop the chip to leave it behind.

Ask it something real.

Where does the essay say startup ideas actually come from?

Enter sends.

Beside the answer, a label names how it searched: Search by meaning.

Under it, the sources.

Label first, excerpt second, so you know where a passage came from before you read it.

Click one.

You land on the paragraph it used, inside the essay, with the panel still open beside it.

Ask reads, and leaves the rest to you.

Saving, tagging and editing stay in your hands.

The claim, and the sentence it came from, in front of you at the same time.