Twitter wasn't always the site where your posts were limited to 140 characters.It added the restriction early on to make sure that people who used the website through their phones would only have to deal with tweets that can fit within the standard length of a text message, which is 160 characters. (Extra space for usernames.)But over time, the character limit has become Twitter's undeniable signature element, even as many more features and capabilities have been added over the years.The maximum length has been, well, restricting. The expectation has built for a while that the company would do away with the limit, partially in hopes of attracting new users. The latest reports came this week, in Re/Code and then across other media, that Twitter may experiment with expandable messages that would unfold into as many as 10,000 words.The company isn't confirming the plan, but CEO Jack Dorsey posted a long note on Twitter, as a screen shot, saying that "the majority of tweets will always be short and sweet and conversational" but a searchable text has more "utility and power" — exactly the qualities that the company won't be shy to pursue.The possible loss of the refreshing brevity that set Twitter apart from Facebook has upset a lot of Twitter users. But to borrow the words of Gizmodo's Adam Clark Estes: "Either way, it's just Twitter. ... Everything is going to be okay."In that spirit, we decided to instead revisit some of the creative ways that the 140-character limit has forced us to be more creative with our expression as well as the new phenomena it spurred. Here are a few examples. Send us more in the comments or (you guessed it) on Twitter.'Twitterature'The term isn't tremendously common, but it's a fitting description: literary writing produced within Twitter's limitations. There are Twitter essayists, like Jeet Heer of the New Republic (who "strenuously opposes" the character limit increase):There are Twitter recipe writers, including Maureen Evans:There are even Twitter novels. In 2012, The Guardian challenged 21 well-known writers to write 140-character fiction, producing creations like this one from Ian Rankin: