You’ll need two cameras for this trick: one (preferably digital) to take the picture and another to aim through. Most people seem to favor cameras with waist-level viewfinders, such as the old Kodak Duaflex, because they’re large and easy to see.Frame your shot using the older camera (call it Camera B), then aim your digital camera (Camera A) at the viewfinder and take the picture. Afterwards, crop the photo to take out everything but the viewfinder image.
Google finally realized that the headers and footers from Google Docs have almost no real use, as you can’t add dynamic information like page numbers or the current date. Until Google adds these options in the interface, you can edit the document’s HTML code to use them.
Note: these headers and footers will only be visible on an exported PDF.