You can create a private AI assistant right on your laptop. Using Ollama’s embedding models and a local vector database, you can set up a RAG (Retrieval-Augmented Generation) process to pull in your documents from a local Data Lake — and every personal info stays on your machine. 

 For a more complex stack — still sustainable even on a 16GB RAM Silicon Mac laptop — check this out:  https://github.com/escape/RAG-IAC