Hicks' Law
O Novo Mercado
I see Hicks' Law applied in this website because there is only one option to the person to choose, and it is to choose a free 7 day trial. Simple as Hicks' Law suggests.
Visual Hierarchy
Globo Esporte
I see visual hierarchy when the most important information, the score, is the biggest, then the headline, then the image.
White Space and Clean Space
Apple
Super clean concept. No a lot of words, just some pictures and a lot of white space.