Or it's a way for humans to communicate better with other humans. For example hashtags are often used in another way, like more verbose emoticons. Someone sayin

Or it's a way for humans to communicate better with other humans. For example hashtags are often used in another way, like more verbose emoticons. Someone saying "Canteen out of coffee ☹" is telling you about their canteen and also how they feel about it. In "Canteen out of coffee #fail", the "#fail" hashtag is used like an emoticon here, but you have access to more "emoticon-hashtags" than before. Hashtags in the original sense allowed people on twitter to communicate with strangers about a topic. This is humans talking to humans, not humans talking to machines.