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What is a 'federated learning framework'?

At first I thought this was something a Leaning Management System like Moodle, maybe one that is distributed sort of like a torrent so it can't be taken down.

Seeing the example talk about TensorFlow, it must have something to do with machine learning.

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Correct. Federated Learning is basically Machine Learning but the Learning occurs directly on the same devices where the data is (e.g. phones). Each device trains a model and sends it to one central model, which combines all of them together. With this it is not necessary for the central model to know about the data which is good with regards to data protection laws.

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