If you really want to get the most from your bike a smooth, reliable gear change is a must.

BBC: Sport

The gear change never happened and although chances were few and far between in the second half it looked like below-par Arsenal would escape the DW Stadium with three points - especially when N'Zogbia was sent off with 12 minutes to play.

BBC: Wigan 2-2 Arsenal

In Dark Souls you can just walk around with all your gear and change it any time you please.

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You can get better gear, but none of it will change how you look, making the loot hunt a lot less fun.

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From one year to the next, manufacturers often tweak their best gear with a color update, an extra feature or a slight form change.

FORBES: The Top 5 New Gear Pieces for This Winter

Similarly, by adjusting the parameters of the mathematical model, it is possible to change the design of the virtual car, trying out different gearboxes and gear ratios, or adjusting the suspension.

ECONOMIST: Car design

Some hunters now pack additional gear when heading out on the land, recognizing that the weather may suddenly and unpredictably change.

UNESCO: Ecological Sciences for Sustainable Development

Humans may never have the ability to change into the Incredible Hulk when angry, but donning one of these may soon make the robotic gear in scenes from Alien and Iron Man seem less like science fiction fantasy and more like a new world of enhanced abilities for everyone.

FORBES: Coming Soon: Amazing Superpowers For The Masses