This week's 'Skim: YouTube changes its logo for the first time ever, rolls out refreshed design and capabilities on mobile; all about Sarahah, the new anonymous messaging platform that took app stores by storm; WhatsApp officially tests verified business accounts; why Facebook is banning some Pages from advertising, and why its latest emojis are causing a stir; how brands are using Instagram Stories; six social media trends to watch for in 2018; how social media played a major role in Hurricane Harvey; and much more...

Skim for all the latest changes, updates, and insights!

1. YouTube unveils new logo, major facelift on desktop and mobile

YouTube's desktop interface and mobile app got a major facelift this week. Aside from an overall change in look and feel, the desktop's new Material Design lets users flip a switch to enable dark mode for more optimal viewing conditions.