[adnanazadsg]

Popular highlights would probably be a great start.

For me it was more around me reading a book and being able to see additional notes and thoughts from others who read it before me. Seems like I'd benefit from the notes of those smarter than me (kind of like how Harry Potter benefited from the notes of the Half Blood prince :D )

[dfernandez7]

We asked ourselves the same question :). We'd definitely consider it. If you're interested, I'll keep you posted.