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Apple is reportedly planning a big AI-focused M4 Mac upgrade
(www.theverge.com)
This is a most excellent place for technology news and articles.
What this could mean is the ability to replace (or upgrade) something like Siri into a model that runs locally on your machine. This means that it wouldn't need to route your questions/requests through someone else's computer (the cloud). You wouldn't even need to connect the computer to the internet and you would still be able to work with that model.
Besides, there are many companies that don't want you to pass on their internal documents to companies like OpenAI (ChatGPT). With locally run models, there aren't any problems with this as that data will not be uploaded anywhere.