Picture a bunny. Why not? Spring is near, and Easter is only a month away. So, picture a bunny. You can cuddle it, watch its little nose twitch, listen to its heartbeat, even observe its behavior and follow it home. If you are one of those lucky creatures who speak bunny -- like computer programmers speak source code -- you can politely inquire where it's been, what it's seen and who it has spoken with."
"Picture that bunny, dead. Whacked. A poor dead bunny, handed over to the other side. No pulse. No heartbeat. You can't follow a dead bunny home. You can't talk to it, and it certainly can't talk back. That dead bunny is a TIFF, or "Tagged Image File Format," like a PDF. When the bunny is snuffed and the electronic data "TIFFed" -- i.e., printed out in hard copy and then re-scanned -- it becomes dead and frozen, rather than dynamic and searchable. What you see is what you get. The hidden information, the ability to search millions of pages of text for smoking gun language, and to peek at its living history, is lost. And your opponent has no way to recreate it. There is no way for him to resuscitate that bunny. Sure, he can take a DNA test of the dead bunny: convert the tiny elements of TIFF images -- the individual letters, like the Ts, As, Gs and Cs of a double helix -- into searchable text format through optical character recognition ("OCR"). But OCR does not solve the main problem: identification of the lifeblood, the living metadata of the bunny's life history (the who, what, where, when and why) that does not appear in the TIFFs.
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