Over the last couple of years, a new craze has surfaced in the online marketing world – Explainer videos. So what is an explainer video? It’s an animated promotional video, typically between 1 and 2 minutes long, that describes a company, product, service or app. Rather than scrolling down through an in depth article with large amounts of content, this latest generation of high energy online users require for speedy information and they want it fast. With the arrival of YouTube, web videos grew to become a big hit with internet visitors and at some point internet marketers.