Review: Google Spreadsheets
"Google Spreadsheets are in the 'sneak peek' phase. The two big questions seem to be a) why would anyone want to use a potentially non-secure spreadsheet with limited capabilities, and b) how will we refer to the primitive era before online spreadsheets, which revolutionized life as we know it (which, of course, leads to a related question: what kind of silver jumpsuit is most comfortable when you're crunching numbers?)?"