If you are using predictive text on your Android phone or tablet, you can improve the prediction by letting the app access to your personalized data to learn from your style
In order to do so, follow these steps
1. Make sure the predictive text is already enabled (Learn How to enable predictive text)
2. On the "Samsung Keyboard Settings", tap on "Predictive text"
3. Make sure "Personalized data" is ON
4. Tap on Facebook, Gmail or Twitter if you are willing to let the app have access to
5. The App takes some anonymous data from the Allowed social networks to predict you better