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On Twitter and some instant messaging services, there is a limit to the number of characters a message can carry – however, Twitter now shortens links automatically using its own URL shortening service, t.co, so there is no need to use a separate URL shortening service just to shorten URLs in a tweet. On other such services, using a URL ...
URLs can be linked on Twitter. A tweet's links are converted to the t.co link shortener, and use up 23 characters out of the limit. [14] The shortener was introduced in June 2011 to allow users to save space on their links, without needing a third-party service like Bitly or TinyURL.
TinyURL is a URL shortening web service, which provides short aliases for redirection of long URLs. Kevin Gilbertson, a web developer, launched the service in January 2002 [1] as a way to post links in newsgroup postings which frequently had long, cumbersome addresses.
t.co is a URL shortening service created by Twitter. [114] It is only available for links posted to Twitter and not available for general use. [114] All links posted to Twitter use a t.co wrapper. [115] Twitter intended the service to protect users from malicious sites, [114] and to use it to track clicks on links within tweets.
All links posted to Twitter use a t.co wrapper. [47] Twitter created the service to try to protect users from malicious sites by warning users if a URL is potentially malicious before redirecting them, [36] and uses the shortener to track clicks on links within tweets. [36] [48]
In order to assure the security of the links, and to avoid short links pointing to external or dangerous websites, the URL shortener is restricted to services hosted by the Wikimedia Foundation. This includes for example: all Wikimedia projects, Meta, mediawiki.org , the Wikidata Query Service , Phabricator ( full list here ).
A shortening is an abbreviation formed by removing at least the last letter of a word (e.g. etc. and rhino), and sometimes also containing letters not present in the full form (e.g. bike). As a general rule, use a full point after a shortening that only exists in writing (e.g. etc.) but not for a shortening that is used in speech (e.g. rhino).
The external links guideline recommends avoiding ==External links== to Twitter.Only include links to social media if the subject is particularly known for using that social medium, and when the link provides the reader with significant unique content, and it is not easily linked from another link included in the article (i.e. if the individual's homepage is linked and that has a prominent link ...