Originally posted by mattdm Take a look at the crazy-talk "WendyB" is spouting here:...but this makes me highly doubt she has any inside information at all.
What she wrote in that thread has no relationship to this one at all. Being a Pentax beta tester does not mean that whatever he/she wrote is correct. She stated one of her belief there (which is NOT Pentax or K20D related), I am skeptical as well, but that has nothing to do with K20D prototype or what she wrote here. Obviously she read something in the internet or have been told about those seemingly out-of-the-world stuff. And you know that there are plenty out there.
I know nothing about image signature, but I do know that all the EXIF in all your images includes a unique serial number of your specific camera. Plus there are a lot of binary data in the EXIF not yet decipherable. So tracing back the camera from exif data is certainly possible. Without the EXIF? I have no idea. On a related note, apparently, most higher quality color printers and copiers have steganographically embedded their identification code in the printed pages.
Ref. 1 Ref. 2.
Anyways, just ONE MORE WEEK to go, we will find out. Wendy has given a lot of clues about the camera and upcoming new lenses.
To be honest, this is the best K20D rumors thread by far, true or not. It's been fun. To keep challenging the validity at this stage is missing the point (and the fun).