There are many other sites that let people post long-form content and even offer social-like features to go with it.
Bite-sized tweets are a 'feature' for the company itself, because ideally, they can be surfaced out-of-context (like on an algorithmicially jumbled timeline or some aggregator page), and can be seamlessly intermixed with promoted content.
When it was brand-new, Twitter was unique and had a differentiating format. Today, Instagram is the closest analogue except the image and caption are flipped for maximum visual appeal, and that format has seriously infringed on the marketshare (and use-cases) of Twitter by attracting a certain type of content-producer; one that appeals to the coveted 18-30 crowd.
Bite-sized tweets are a 'feature' for the company itself, because ideally, they can be surfaced out-of-context (like on an algorithmicially jumbled timeline or some aggregator page), and can be seamlessly intermixed with promoted content.
When it was brand-new, Twitter was unique and had a differentiating format. Today, Instagram is the closest analogue except the image and caption are flipped for maximum visual appeal, and that format has seriously infringed on the marketshare (and use-cases) of Twitter by attracting a certain type of content-producer; one that appeals to the coveted 18-30 crowd.