netbuzz writes "The Federal Trade Commission will host three days of hearings starting Monday that are billed 'Protecting Consumers in the Next Tech-ade' — a reprise of a similar FTC event held a decade ago that attendees still credit with having provided prescient guidance to regulators. You can judge for yourself whether they got things right."
We warn the reader in advance that the proof presented here depends on a
clever but highly unmotivated trick.
-- Howard Anton, "Elementary Linear Algebra"