[sp332]

I don't know about this whole concept. If you have 170 million users, and the number of users is going up, that seems to indicate that people are pretty happy with the service as it is. Why is improving engagement a priority?

[destraynor]

Because no one is using it.

There is a difference between the number of accounts and the number of people who actively use the product.

If the plan is to display adverts etc, then you need people frequently logging in.