Is it possible to create a spreadsheet so that everytime someone edits any
cell in a particular row, a date is either inserted (or edited) in a column
in that row with the current date of the edit?

Example: before edit
Date Data1 Data2 Data3
09/04/04 abcde 12345 xyz321


Example: after edit
Date Data1 Data2 Data3
09/20/04 abcde 54321 xyz321

Art
West Palm Beach