Deepfake app

 https://hey.reface.ai/

NPU, TPU

 https://m.thaiware.com/tips/2138.html

AWS' TPU/NPU service is AWS Trainium: https://aws.amazon.com/machine-learning/trainium/

Latent Dirichlet Allocation (LDA)

 https://towardsdatascience.com/latent-dirichlet-allocation-lda-9d1cd064ffa2