Knowing that we all judge a book by its cover, smart designers create catchy and practical interfaces. Potential users may be hooked, but how do you reel them all the way in? In trying to answer this question, all roads lead to a human-centered design approach, where the user is the prime focus. Be human: your application should speak the same language we use every day, including emotions, colloquial speech, and with a pinch of “come-hither” look. An interface should be your good friend, ready to give advice striving to enhance your experience, and make you chuckle. Curtains up, hit the lights: micro-interactions come into play. To be more precise, this is about interactive animations that come along with an interface to make it more appealing. A good animation can: