ebh writes: "Noted in an AP story about how fees make it difficult to compare air travel costs, is how the airline industry is moving toward tailoring offer packages (and presumably, fares) for individuals based on their personal information. Worse, "The airline association said consumers who choose not to supply personal information would still be able to see fares and purchase tickets, though consumer advocates said those fares would probably be at the "rack rate" — the travel industry's term for full price, before any discounts." Now, about those Amtrak upgrades..."
Thus mathematics may be defined as the subject in which we never know
what we are talking about, nor whether what we are saying is true.
-- Bertrand Russell