Have you ever been in to a situation where you faced problems to communicate yourself to a person because that person was a speaker of another language?
You can use your laptop keyboard even in nights because your laptop has a illuminated keyboard. Light sources like LED bulbs are present at sides or behind the keys of the keyboard so that you can use it even in poor light conditions.
With the advent of Smartphone, we are now having smart keyboards for typing purposes also. Now days we can find keyboard in our Smartphone device that can predict text, can do auto correct, can use keyboard shortcuts and the like. Hence helps and assists us while typing.