Google Docs now gives you validation
Google Docs has a new validation option that spreadsheet jockeys are going to appreciate. You can now give cells prerequisites, so that you or other users must fill them in with a certain type of data. It can also be set up to provide instructions that pop up as soon as someone starts entering data--similar to what's available in Google Docs' form tool and in Microsoft Excel. Both options can be set inside of the data validator that shows up once you've selected a cell or range of cells.
The Google Docs blog has suggested this as a … Read more