Storify

Storify
URL	https://storify.com/
Status	Closing
Archiving status	Upcoming...
Archiving type	Unknown
IRC channel	#horrify (on hackint)

Storify is a site that allows you to weave together multiple tweets into a full article.

On December 12, 2017, it put a notice on its homepage that it's shutting down on May 16, 2018. New account creation is are already disabled, and by 5PM PST on May 16, it seems the content will disappear.

For more details, see their FAQ.