YouTube had been slow to accept vertical video but they're on board now. Credit: Jaap Arriens/NurPhoto via Getty Images If you weren’t sure about vertical video before, you can be sure about it now.

Engaging a consumer with vertical ads has more to do with the quality of the creative than the consumer’s attention span - four ad-filmmakers tell us. A consumer is likely to be using their phone for ...

Amazon's streaming platform, Twitch, is now testing vertical videos, signaling a switch for its content creators and audience. The experience is currently at an early alpha testing stage, with only a ...