Google Spreadsheets のテストアカウントが来ました。 モーソーが先走りすぎていたんですが、実際使ってみると、 How many spreadsheets can I create? What’s the limit per spreadsheet? Given that Google Spreadsheets is being offered at this time as a limited test in Labs, it’s still experimental and we have set some conservative usage limits. You may create up to 100 spreadsheets, each of which may contain up to 20 tabs, 50,000 cells, 256 columns