Genuine personal enthusiasm for a product is what makes a keynote presentation compelling.

Drawn from what M.G. Siegler said

What this subject means

design How things should be made and judged: what makes a design good, who should do the designing, and what an interface is for.

What M.G. Siegler actually said

Do you hold this korrent?Do you also believe this?

Shared subject first, then similar wording. They may agree or disagree.