GLDA = Gmail Latent Dirichlet Allocation
This can be used to cluster e-mails from your gmail inbox into certain topics.
Prerequisite: A client_secret.json that can be generated from https://developers.google.com/gmail/api/quickstart/python (Step 1)
Output: A list of highest probability words associated with each topic. Experiment with the number of topics based on the size of your e-mail inbox.