http://ibnlive.in.com/news/microsofts-bing-now-lets-you-search-using-emoji-/509015-11.html
With the increasing popularity of mobile text communication, emoji usage is getting more mainstream. And now Microsoft's Bing is making them search friendly.
Microsoft announced the support of emoji characters in Bing search in all English markets. "With this new feature, you can search using your favourite emoji, and Bing will return results based on the semantic meaning of the emoji," Nick Roberts, senior program manager, Bing Relevance & Intent, said in an official blog post.
Using this new feature, you can look up emoji meanings using Bing search and also can combine multiple emoji to create multi-word searches.