shows which pages you've read. Perhaps we could show "time spend per page" which would imply: “the more time I spent on this page, the more I should voluntarily decide to donate to it”!
Ability to "clear past x range" - day, week, month, all time
Should be easy to add donations to pages from this Page list view
Should be easy to add these items to some page (like Bookmarks) with a plus button
hold down back button to view reading history?
Could show Reading Progress
Could show pages you've re-read, indicating that you might have higher retention of that information
Perhaps Random page could have user-set weights to emphasize pages you haven't read yet, or pages you haven't re-read (assuming you've re-read many of them)
Could still show this to Logged out visitors in hopes of increasing User retention and make them want to sign in
How to group / hide loops or repeat entries so that there’s more signal and less noise in the list