I’ve recently returned to the office following a great holiday abroad. Our journey back involved a ferry between two islands and whilst watching our holiday destination disappear over the horizon, my eye was caught by the route that the ship was taking. Although our journey was a direct one from one port to the other, the captain was steering the boat in a zig zag, adjusting the direction to cope with the swell of the sea, the keen cross wind and the ocean currents.
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