feminazi writes "Google spreadsheets are more powerful than you might think, according to Richard Ericson. The free, Web-based service doesn't currently offer encryption, but the clean interface has standard drop-down menus, icons and buttons (just when MS is switching to "ribbons"). You can use it to work with existing files and "Formatting is simple, direct and fast. ... Sort, does precisely what you'd expect." Most importantly, it has most of Excel's functions -- including some that aren't listed or documented." We covered the launch of this program last week.