In the Albula Valley the track spirals to gain height, and around the austere grandeur of the Bernina Pass becomes one of the world's steepest narrow-gauge railways.

BBC: Swiss movement

Suddenly, it will be possible to not only track every customer, their height, weight and age, how long they looked at each item, what they started to buy but changed their mind, how long they stood in line, and a dizzying array of other variables.

FORBES: Welcome to the Real World

The first track at the site was built in 1987 at the height of the sport's popularity, before falling into disrepair.

BBC: Bulwell BMX track gets official opening

The name alone is enough to raise eyebrows, but wait until you see the special features: a biorhythm calculator, a fatness function that calculates a user's height-to-weight ratio, a calendar for keeping track of your menstrual cycle and a calorie-counting function.

ECONOMIST: Mobile telephones