In order to plan for caching of the current feed API AND for making changes to the feed API, it would be useful to know how "deep" users go in the feed.

Do they mostly interact with the current day?
How many days in the past do most users scroll?

If we could add a parameter for daysAgo, it would help us understand the usage. For example today is "0 days ago", and yesterday is "1 day ago".