And people are getting used to the hamburger button - albeit slowly. Foster carried out his first test on users in early 2014, and has been testing since. Users do seem to understand it more.

Microsoft appears to be working on new 3D icons for its Office suite. Reddit users have discovered the new icons in an email survey from Microsoft, reports Windows Central .

But, Chris Stokel-Walker asks, what is it, where did it come from, and do people really know ... the drawbacks of the hamburger icon. "It's three horizontal lines," he ... legs out in the office? 9.