Comment by dsr_

(2) assumes technology not in evidence, unless you have a really low threshold of "explain it to you".

Like, "explains it as well as a person who doesn't know anything about it but is reading the wikipedia page".

Like, "explains it but lies, and when you catch them at it, insists that they weren't lying".

Like, "can't actually do math, but has had heard lots of math problems so they guess and hope you don't check on them".

A sleazy marketer's idea of "explains it to you".