> - Stage 1: An arrant mistake crops up. It may actually get a little bit of currency, but it is widely rejected.
- Stage 2: It spreads. It begins spreading to as many as half of the members of the language community, but not the best-educated half.
- Stage 3: It now is being used by a majority of the language community, including many college-educated people, but the best-educated people reject it.
- Stage 4: It becomes all but ubiquitous and only a few diehard "snoots," as David Foster Wallace calls them, reject it.