Do emoji's improve or impoverish the English language?

Improve

http://thenextweb.com/opinion/2015/05/04/emoji-the-new-language-of-the-internet-is-improving-the-way-we-communicate-online/

http://theconversation.com/no-the-rise-of-the-emoji-doesnt-spell-the-end-of-language-42208

http://theconversation.com/emoticons-and-symbols-arent-ruining-language-theyre-revolutionizing-it-38408

Impoverish

https://barryessex.wordpress.com/2015/06/26/emoji-doesnt-complement-language-it-limits-meaning/