Process for increasing user-interaction rates for document elements

A data processing system comprising

• A viewport that displays an interactive document to a user,
• A means to scroll said interactive document within said viewport,
• An advertisement instance associated with said interactive document,
• A means for displaying said advertisement instance at a first location within said interactive document,
• A means for choosing an alternative location for said advertisement instance such that said alternative location is separated by document items from said first location,
• A means for shifting said advertisement instance to said alternative location within said interactive document,
• A means for determining when said alternative location is visible within said viewport,
• Whereby said advertisement instance is visible to said user for a longer period of time within said viewport.

A process of showing a first advertisement instance and a second advertisement instance in a scrollable viewport of a data processing system comprising

• Showing an interactive document within said scrollable viewport,
• Choosing a first location within said interactive document,
• Choosing a second location within said interactive document,
• Displaying said first advertisement instance in said first location,
• Scrolling said interactive document in said scrollable viewport,
• Displaying said second advertisement instance in said second location,
• Reclaiming space occupied by said first advertisement instance in said first location,
• Whereby both of said first advertisement instance and said second advertisement instance together occupy a smaller total quantity of space in said interactive document.