A language abbreviation acronym aggressive completely default each emoticon end essential expert information ink message period punctuation sentences technology view writer young says using a full stop to end abbreviation acronym aggressive completely default each emoticon end essential expert information ink message period punctuation sentences technology view writer young in text messages can look rude. A full stop is used in British English; in American English, this abbreviation acronym aggressive completely default each emoticon end essential expert information ink message period punctuation sentences technology view writer young mark is called a abbreviation acronym aggressive completely default each emoticon end essential expert information ink message period punctuation sentences technology view writer young . Linguist Gretchen McCulloch says more and more people think ending messages with a full stop is rude. She said this abbreviation acronym aggressive completely default each emoticon end essential expert information ink message period punctuation sentences technology view writer young is most common in younger people who use instant messaging apps like Twitter and Facebook Messenger. Ms McCulloch said people prefer to send a abbreviation acronym aggressive completely default each emoticon end essential expert information ink message period punctuation sentences technology view writer young new message instead of ending a sentence with a full stop. She said: "If you're a abbreviation acronym aggressive completely default each emoticon end essential expert information ink message period punctuation sentences technology view writer young person and you're sending a abbreviation acronym aggressive completely default each emoticon end essential expert information ink message period punctuation sentences technology view writer young to someone, the abbreviation acronym aggressive completely default each emoticon end essential expert information ink message period punctuation sentences technology view writer young way to break up your thoughts is to send abbreviation acronym aggressive completely default each emoticon end essential expert information ink message period punctuation sentences technology view writer young thought as a new message." The full stop dates back around 2,300 years. It is an abbreviation acronym aggressive completely default each emoticon end essential expert information ink message period punctuation sentences technology view writer young part of writing today. School teachers can put lots of comments in red abbreviation acronym aggressive completely default each emoticon end essential expert information ink message period punctuation sentences technology view writer young on a student's writing if that student forgets to add the full stop at the abbreviation acronym aggressive completely default each emoticon end essential expert information ink message period punctuation sentences technology view writer young of his or her sentence. However, abbreviation acronym aggressive completely default each emoticon end essential expert information ink message period punctuation sentences technology view writer young is changing the way we write. Most people now use abbreviations or acronyms in text messages. They might use the abbreviation acronym aggressive completely default each emoticon end essential expert information ink message period punctuation sentences technology view writer young 'LOL' instead of writing 'laugh out loud,' or the abbreviation acronym aggressive completely default each emoticon end essential expert information ink message period punctuation sentences technology view writer young 'fyi' rather than typing 'for your abbreviation acronym aggressive completely default each emoticon end essential expert information ink message period punctuation sentences technology view writer young '. Ms McCulloch says not using the full stop helps the abbreviation acronym aggressive completely default each emoticon end essential expert information ink message period punctuation sentences technology view writer young save time. She also says that a full stop can make the writer look a little abbreviation acronym aggressive completely default each emoticon end essential expert information ink message period punctuation sentences technology view writer young . Many people prefer to end a sentence with an emoji or abbreviation acronym aggressive completely default each emoticon end essential expert information ink message period punctuation sentences technology view writer young instead of a full stop :-)