You've come into the office ready to go – it's going to be a productive day.

You're finally going to make some headway on that overdue blog post, or perhaps it's a new design layout, or a complex spreadsheet.

Yet, as soon as you find your focus, a colleague wheels over a chair and interrupts your flow, asking for help. Sound like a familiar frustration?

Read Christian Jarrett’s story here at 99u.com