Since Google Docs is a renowned product I would focus on increasing user engagement
Customer Needs and pain Points :
Broadly dividing Netflix users into two categories:
Power User - Binge watch Netflix
Occasional User - Streams Netflix either once or twice a week, subscribed to other OTT platforms
Introducing a feature where a user could connect with his friends on Netflix itself and look for which movie his/her friends have watched in past, what was their review about the movie, suggesting movie based on his/her friends are watching
Including this feature would help in converting occasional users to power users.
Tracking Success - #of suggestions made,#of users who clicked those suggestions and went on to watch that movie.