Now 10 years old, YouTube is prioritising mobile as it looks forward to the next decade.

The website already gets half its views from mobile devices, according to its own stats, with “watch time” almost doubling in the last 12 months.

“For us, most of our focus is on mobile: product development for mobile, content development for mobile, making sure mobile video works on carrier networks all around the world. It’s all mobile, mobile, mobile,” said Robert Kyncl (pictured ...