New Delhi, July 2 -- An AI agent that answers questions from inside a browser tab is one kind of trust exercise. An AI agent that can open, sort and rewrite the files already sitting on a person's hard drive is a different one entirely, and that is the version of Gemini Spark Google started shipping to Mac users on Wednesday.

users can now ask Spark to sort every PDF sitting in a Downloads folder into named subfolders, turning what Google calls hours of manual file sorting into a single instant action. TechCrunch reported Google had said in May that Spark's move to macOS was coming this summer; six weeks later, it has actually arrived, with a feature list that goes further than the earlier announcement suggested.

That local file access ...