The UX Shop

How to run a design review by Google Design
https://design.google.com/articles/going-beyond-the-surface/

Design Reviews: Going beyond the surface Framing a successful design review that solves problems.

Did you have a look at Facebook Design's blog? http://facebook.design/

Facebook Design — What's on our mind? A collection of tools and resources from Facebook Design

Here is gallery of product pages, you're welcome :p http://buff.ly/2b52jw1

Product Pages Curated directory of the best product pages