Friend activity as-is is relatively useless (IMO). The feature hasn't changed in years and still resembles a basic exercise and showcase of interaction w/ the Facbook API.
That being said, there is a real opportunity being lost to further encourage socialization and music discovery. I would suggest there be a way to view/filter/find friends with similar taste in music and either a) be able to view a list of songs they listened to that determined this qualification or b) listen to a "radio" station of their songs that met the prerequisite of "similar".
This forum is a useful tool, but I doubt this feature will be implemented and I would be pleasantly if it is. In any case, even if the feature isn't implemented I would still ask a couple questions from a product/development perspective:
- Are users actively using the current "Friend Activity" feature?
- Is there any metric being captured or recorded to determine whether users are actively using the "Friend Activity" feature?
- If the answer to either of the above questions is indeterminate or false, why is Spotify carrying around a dead feature in it's mainline product and incurring the maintenance and development cost associated with it?
A concerned and active user