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A comment on Any page loaded in IE can track your mouse movements anywhere. Parent comment

Re:Any page loaded in IE can track your mouse movements anyw... by Jacobi on Wednesday December 12, 2012 @10:03AM (#4910336)
The PDF document format is incredibly complex. It can incorporate JavaScript actions !
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Re:Any page loaded in IE can track your mouse movements anyw... by ygra on Thursday December 13, 2012 @04:03AM (#4914956)
They are not needed to parse the file. PDFs can also contain Flash content or movies or 3D models or any number of other objects. It's just a blob in the file, same as OLE. Few applications beyond Adobe Reader care about implementing those parts, though.
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