It’s very difficult to ensure no data leakage, even for something like an Emoji prediction model. If you can try a large number of inputs and see what the sugg

It’s very difficult to ensure no data leakage, even for something like an Emoji prediction model. If you can try a large number of inputs and see what the suggested emoji is, that’s going to give you information about the training set. I wouldn’t be surprised to see a trading company or two pop up trying to exploit this to get insider information.