There are no ads in Google Spreadsheet yet, but it's only a matter of time. What better application could you think of to embed ads into than one that people use for budgeting and price comparisons?
Free spreadsheet apps are a cool idea, as long as you’re comfortable with their limitations. Many are ad-supported, for instance, so expect part of your screen to be trying to sell you something.
Some results have been hidden because they may be inaccessible to you
Show inaccessible results