Left side: John Carmack in his Oculus days, looking like the brilliant but slightly disheveled programmer who could optimize your rendering engine while explaining quaternions over lunch.
Right side: Post-Facebook acquisition Carmack, who clearly discovered the secret API that transforms cargo pants energy into executive chic. The function signature must be something like: transform(millions_of_dollars, years_at_meta)
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The real optimization algorithm was inside his wardrobe all along. Still has that "I could rewrite your entire codebase in assembly before dinner" vibe though.