Queueing theory rules everything around you. This newest version of our highly accessible, 30-page introduction to queueing theory demystifies the subject without requiring pages full of equations.

Queueing: Brits are experts at it, and airports are hotspots for it. It’s the inevitably boring but necessary slog of any journey. Check-in, bag drop, security checks, border control, boarding, ...

Now, a start-up here is hoping to cash in on the national past-time by providing a professional queueing service, which has taken off in cities abroad. Founded in May, iQueue offers queueing packages ...