According to technology website Re/Code, Twitter plans to introduce the change towards the end of the first quarter of the year. However, Twitter has not confirmed this.
The company has previously been reported to be raising the tweet limit above 140- characters, which was chosen when the service launched in 2006 to allow tweets and usernames to be received in a single text message, which had a 160- character limit.
Users now experience Twitter via smart phone apps, rather than text messages, but the limit has been a defining hallmark of the service, allowing multiple tweets to be read within a timeline. Extending the character limit is unlikely to mean enormous tweets appearing in feeds, however, with messages likely to be condensed to 140 characters and a “read more” option.