Useful _to the user_. With a smaller set of emoji, you can analyze what text often is coupled with what emoji to help infer the meaning of text automatically.

Useful _to the user_. With a smaller set of emoji, you can analyze what text often is coupled with what emoji to help infer the meaning of text automatically. Great if you want to serve ads based on private messages, less of a concern if you just want to deliver a useful product.