As my colleague wrote on Wednesday , it appears that the Chrome browser quietly and in a squirrel-like fashion hides a 4-gigabyte AI model inside users’ systems in a folder called OptGuideOnDeviceModel. According to Alexander Hanff , known to the internet as “That Privacy Guy,” the biggest thing in that folder, a file called weights.bin, is Gemini Nano. Gemini Nano has lived on devices since 2024, Google told Gizmodo on Wednesday. According to a Google blog post, the tiny model allows developers to “deliver rich generative AI experiences without needing a network connection or sending data to the cloud,” especially in cases where “low cost, and privacy safeguards are your primary concerns.” Whole communities exist online where users exchange tips for using local AI models that run without a network connection. The argument for them is that they don’t run in data centers—the dark satanic mills of our era.…