such a facial-expression control may be interesting to integrate with the new facebook reaction emojis: <a href="http:&#x2F;&#x2F;www.wired.com&#x2F;2015&#x2F;10&#x2F;facebook-reactions-design&#x2F;" rel="nofollow">http:&#x2F;&#x2F;www.wired.com&#x2F;2015&#x2F;10&#x2F;facebook-reactions-design&#x2F;</a>