Using "pre-" in the sense that Spaw objects to is a 20th century illiteracy that has evolved to mean "prior to a referenced event". This is not wholly useless. Pre-heating an oven means heating it before the main cooking is to occur, getting it ready. Pre-view is the bit of a film or show you get to see as a teaser, before attending. Some corporate wonks even invented a "pre-meeting" which is a meeting held before another meeting to discuss a strategy or a plan for the larger later meeting. I spit.

A