Take, for example, iTap gloves, the thumb, index and middles fingers work on a touchscreen.

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The contact in a good handshake should be the web of skin between the thumb and index finger.

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The guitarist was recognised as much for his powerful, gruff vocals as his musicianship and was known for playing with picks on both the thumb and index finger of his right hand.

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Yes, it's as small as you'd expect it to be, which means it's usually a better idea to left click with a tap instead of trying to squeeze your thumb and index finger on there.

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When you perform certain gestures with your hand--such as touching your thumb to your index finger in the "okay" sign--there are electrical signals associated with that gesture that pass through the nerves in your upper arm as they carry commands from your brain to your hand.

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Horsup works in northern hairy nosed wombat conservation, which at the time involved holding a piece of wombat excrement between his index finger and thumb.

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The newer, thinner Kindle seems more interested in wowing customers with its iPod-like exterior than in comfortably filling the space between an index finger and a thumb.

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We didn't have to change our usual or "traditional" finger positioning, meaning we were able to keep our right thumb in the bottom left corner of the pad and use our index finger to navigate. (Even if our thumb moved slightly up on the pad it still worked.) Best of all, while using that finger positioning we rarely zoomed in on something by mistake.

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"We think it sets a dangerous precedent for the government to usurp the role of fiduciaries by placing its thumb on the scale for one kind of investment--index funds, " the groups continue.

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