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At the end of The Matrix Reloaded and throughout The Matrix Revolutions, Agent Smith is an actual human being outside of the Matrix. How did this happen?

Note: the question of why Smith didn't die at the end of the first movie is discussed here, but I am asking how did Smith get out of the Matrix and into a real body (so to speak)?

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3 Answers 3

up vote 8 down vote accepted

It's not explained. We've got a few choices though...

He's overwritten Bane's brain.

This one seems the least plausible; Smith has somehow managed to overwrite Bane's brain and implant his own memories and consciousness upon Bane's, in much the same way that the Agents overwrite 'blue-pills' inside the Matrix.

Obviously this opens up many unanswered questions but we do have the two canon examples such as the 'steak scene' from The original Matrix film ("I don't wanna remember nothing") and from the Matrix comic "Goliath" where we see that the machines have the ability to edit memory. Presumably this could give them the ability to rewrite someone's mind that was 'jacked in'

He's inside Bane's implants

Bane, like all Matrix-born humans has ports implanted directly into his brain and body. We see Keanu interacting with the Sentinels while not connected to the Matrix so presumably these ports have both wireless capability and some form of power source. It's not a great leap to imagine that they also have sufficient computing capacity to carry a copy of Smith's personality and that he's basically turned Bane into a meat puppet

Ports

This explanation also goes some way to explaining how blind Keanu can 'see' Bane as Smith during their iconic fight.

They're all still in the Matrix. Just on a higher level

Neo's ability to 'see' Bane despite being blind, Neo's ability to interact with the Sentinels despite not being jacked in, images of the future (showing Trinity's fall on the monitor behind the Architect) as well as Neo's ability to exist within the matrix despite being dead and/or disconnected all lend great weight to the suggestion that Zion isn't any more real than Capital City.

Since we see Agents moving freely into humans inside the Matrix, if we imagine that Morpheus' "desert of the real" is in fact simply another Matrix, it then makes perfect sense that Smith can move freely into a 'red-pill'.

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Good answer, but as to the third theory, I think Neo's new abilities can be explained if the implants have some sort of wi-fi elements, which wouldn't normally allow for people to gain wireless access to the Matrix or the Sentinel control systems, but since Neo "touched the source" as the Oracle put it, he (or his implants) gained the necessary "source code" to do these things. As for images of the future, Matrix-within-a-Matrix doesn't really help, predicting the future output of a program before it's actually done the computations should in general be as hard as predicting the real world. –  Hypnosifl Mar 8 at 16:01
    
Matrix within a matrix works perfectly if you assume that Trinity is just a program. Then her perfectly predictable actions can be easily explained. –  Richard Mar 8 at 16:31
    
What we know of the Wachowskis is that they weren't clever enough to go with the nested matrices plotline. And what we know of neurology is that Smith couldn't haven overwritten Bane in mere minutes... and probably not even with months to do it. The way that memories are encoded takes too damn long to change, and the way that personalities are encoded would take a large fraction of a lifetime. Supposing they could even be changed with mere sensory input. Now, if the interface allows him to remove the top of Bane's skull and 3d print new neurons... –  John O Mar 8 at 20:45
    
@Richard: As I said, there is no general method to predict the output of a program faster than it takes to actually execute all the steps of the program (unless the program is NP-complete and P=NP is true, see scottaaronson.com/blog/?p=122 for why that's unlikely). The only way I can think of to show simNeo what simTrinity was going to do would be to run two copies of the entire Matrix, freeze one when Neo was about to look at the screen, let the other run ahead, then take the results of the one that ran ahead and play them back on a screen in the first copy that had been frozen. –  Hypnosifl Mar 8 at 21:26
    
@Hypnosifl - You're assuming that they had to run the entire matrix in duplicate. We see however that the Mainframe has the ability to freeze and alter small sections as they did in the "deja vu" sequence. We also see (in "Goliath") that the machines can run the matrix at different speeds. On top of that, if Trinity was simTrinity then they could easily predict the outcome of her fight with simAgent since the whole thing could simply be scripted. –  Richard Mar 8 at 21:42

Smith had become uber powerful at that point and was beyond the control of even the machines. He'd gained the ability to take over other programs and to manipulate the Matrix and break its rules in a manner similar to how Neo could.

Part of the premise of The Matrix is that the human mind could interface with a digital computer. Sensory data could be perfectly simulated and fed directly to the brain. Similarly, human neural impulses could be fed into the machine and interpreted/understood by the software. This interface is so advanced, that dying in the Matrix would result in the body dying (likewise with certain injuries in the Matrix).

The Wachowski siblings were also heavily influenced by other sci-fi works, including Ghost in the Shell, in which electronically augmented brains could be hacked into, allowing the individual's memories to be manipulated or even be temporarily taken control of remotely.

The world of The Matrix likely has similar dynamics. Smith would be akin to a "super-class-A hacker" capable of actually overwriting the personality of a human if he infects them as they're exiting the Matrix and returning to their physical body. Since the link is a two-way street, it seems plausible that an AI program could project its consciousness into a brain just as a brain can project its consciousness into the Matrix.

However, I have no idea why Bane happens to look exactly like Smith. I guess it was just dumb luck?

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Once connected to the matrix, the residual self image was the representation of the personality of the hacker hooked up into it. Consider it similar to an online profile you create. What Smith did was, he overwrote this online profile. He copied himself onto the personality of Bane. It is very similar to overwriting the contents of a file with new content. If Hackers could project their personas into the matrix, it is fairly conceivable that a program could overwrite this virtual persona. So Agent Smith didn't get out in a physical form, but he took over the personality of another human hooked up to the Matrix.

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