9. The method of claim 1 , wherein displaying a first content item in the electronic spreadsheet document includes displaying a first collection of content items, and wherein receiving the selection on the first content item followed by a movement of a representation of the first content item to a formula bar includes receiving a selection on the first collection of content items followed by a movement of a representation of the first collection of content items to the formula bar.
9. The method of claim 1 , wherein displaying a first content item in the electronic spreadsheet document includes displaying a first collection of content items, and wherein receiving the selection on the first content item followed by a movement of a representation of the first content item to a formula bar includes receiving a selection on the first collection of content items followed by a movement of a representation of the first collection of content items to the formula bar. 10. The method of claim 9 , wherein displaying a cell reference in the formula bar includes displaying a cell reference in the formula bar corresponding to a location of the first collection of content items.