Users watching vertical videos have long faced an annoying problem on YouTube’s smartphone app, with borders on either side making the video tiny. But with an increasing number of videos filmed on smartphones in the first place, the clip-sharing site is finally doing something about it.

They say a picture is worth a thousand words – so how many is a video worth? In 2015, the number of social media users watching clips of cat videos and movie trailers directly from their newsfeeds reached new heights. What does this say about the way we're using these platforms?

Whether it's Snapchat or PewDiePie – the internet is always spewing out hype-shrouded phenomena, often understood exclusively by Gen Z. The latest is Periscope; one in a slew of apps that let users film live-streamed video from their smartphones. Do we really want to watch someone film a video selfie?

If you’ve sung along to Carpool Karaoke, or been mesmerised by a 30-second Tasty recipe, then you’ll know just how engaging video content can be. Video will account for 69% of all consumer internet traffic by 2017, but how can brands best harness this visual medium to engage people online?