The #NanoBanana craze swept social feeds with AI-generated selfies, celebrities, and cartoon figurines — none of them real. What set it apart wasn’t the meme itself, but how easy it became to generate photorealistic fakes in seconds. That leap in usability didn’t just fuel internet culture; it may have boosted Google’s odds in Polymarket’s “Best AI Model of 2025” market, signaling investors see Nano Banana as more than a joke.