Portion sizing applies to more than just protein, though, which can then also be considered in other aisles, too.

First, people who are that good at sizing up strangers are either sociopaths or survivors.

Brands might use a Live to unveil a line of boots and take questions from viewers on sizing, or to demonstrate how to use a new hairstyling tool or kitchen gadget.

A note about sizing: This hoodie is unisex.

Asos said in a trading update last week that it had made improvements to sizing and how clothing and accessories are displayed on product pages.