ARTICLE SYNOPSIS ...Spike protection by John McCormick You've just spent four hours perfecting the spreadsheet that conveys an idea which blossomed full-blown in your imagination at 1 a.m. You know that you would never again be able to duplicate this perfect means of analyzing stock movements, and you are certain that fame and fortune are assured by the work you've just completed. Realizing that you haven't backed up any copies of your precious work, you reach for a diskette. After inserting the backup disk and striking the ""save"" key, you begin to relax. Just then, the lights in the room brighten momentarily...