Some of their examples have changed since this was written in 2013, for example Niconico is effectively a bunch of flexbox now[0], the only remnant possibly being the search bar being separate from the navigation bar. Rakuten[1] is arguably less cluttered than Amazon's front page. Yomiuri[2] looks like msn.com but in Japanese.

0: https://www.nicovideo.jp/

1: https://www.rakuten.co.jp/

2: https://www.yomiuri.co.jp/