Emoticons is a Unicode block containing emoticons or emoji. Some linguists have classified emoji and emoticons as discourse markers. Twitch features a large number of emoticons called "emotes". All of the 80 code points in the Emoticons block are considered emoji. The Face with Tears of Joy emoji is in the Emoticons Unicode block under&colon; . It allowed users to create public chat rooms, send private messages, and use emoticons. Inline GIF playback and custom emoticons are also available. Many instant messaging clients automatically trigger sound effects in response to specific emoticons. Plurk also supports the upload of users' own pictures as emoticons. Preset phrases are automatically translated between languages, and custom emoticons are also supported. The students "used few abbreviations, acronyms, and emoticons". Perhaps the two most prevalent compensating behaviors are the use of emoticons and abbreviations. Further features include support for themes, emoticons, spell checking, and notification area integration. Because of this, they are often called "anime style" emoticons in English. Colons can also be used to represent eyes in emoticons.