1. Scrolling should be preferably avoided
            2.a

Scrolling should be allowed whenever truncating the content would affect negatively its fruition. For instance,

  • a QuickTime VR movie, where a panorama is presented, would require often a suitable large displaying device that is seldom available
  • a large picture squeezed in one dimension cannot be correctly viewed by simply zooming it out 
  1. The content ‘units’ size should fit the displaying requirements of the delivery device
            3.a Mobile devices (e.g. PDA, cell phones, notebook…) are characterised by strong limitations in the page size. This should be taken into account when choosing the content to be delivered