Financial-Times/next-user-preferences-api — pull request #17 by commuterjoy (2014-10-09 09:19:48+00:00)
Title: Followers of topics

/cc @adgad As discussed.

When a user favourites a topic they get added to a list of followers of that topic.

This will let an external notification system easily find who to drop a notification too when something new is published.