Expedia is doing something out of the box these days in their SEO activities, because they are using Emoji (Emoji are the ideograms or smileys used in Japanese electronic messages and Web pages, the use of which is spreading outside Japan).
Expedia tests adding Emoji characters to some of their page title tags.A week ago Barry reported that Google began displaying Emoji in the desktop search results.
Here is a picture of their snippet for a search on [Emoji] and yes, I see has the Emoji:
Use Emoji for your website from here. You just have to copy and paste the Emoji in your Title tags.