"Facebook app has a big enough surface that it makes sense to have different rendering strategies for different use cases."
That's an odd statement. Playing mix-n-match with rendering strategies without a very clear UX justification for doing it is an invitation for designers and mediocre product people to indulge themselves at the expense of the overall UX.
That's an odd statement. Playing mix-n-match with rendering strategies without a very clear UX justification for doing it is an invitation for designers and mediocre product people to indulge themselves at the expense of the overall UX.