[pvg]

Comes up a fair bit in Ask HN - https://hn.algolia.com/?dateRange=all&page=0&prefix=true&que...

You can widen the search a bit by taking out 'implementation' and trying some other terms like 'book', 'internals', etc.

[ashwin110]

This is perfect, I should've known this would be a fairly discussed topic here. Thanks!