Smart Reply in Desktop Google Inbox

If you’re getting a lot of emails and you’re tired of writing replies, Google’s Inbox service has a feature that suggests 3 short replies. It was first added to the Inbox mobile apps and now it’s available in the desktop site. Apparently, 10% of all the replies on mobile already use Smart Reply.

Smart Reply uses machine learning to figure out if a short reply is appropriate and then predicts likely responses. “The Smart Reply System is built on a pair of recurrent neural networks, one used to encode the incoming email and one to predict possible responses. The encoding network consumes the words of the incoming email one at a time, and produces a vector (a list of numbers). The second network starts from this thought vector and synthesizes a grammatically correct reply one word at a time, like it’s typing it out. Amazingly, the detailed operation of each network is entirely learned, just by training the model to predict likely responses.”

{ Thanks, Jonah Langlieb. }

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