![Girl right hand tapping with index finger closeup - isolated on white background Stock Photo - Alamy Girl right hand tapping with index finger closeup - isolated on white background Stock Photo - Alamy](https://c8.alamy.com/comp/R952FX/girl-right-hand-tapping-with-index-finger-closeup-isolated-on-white-background-R952FX.jpg)
Girl right hand tapping with index finger closeup - isolated on white background Stock Photo - Alamy
![Premium Vector | Hand touch screen. touch swiping interface, hands and swipe gestures, smartphone screen finger tap illustration icons set. gesture smartphone touch, interface thumb and pinch, rotate gesturing Premium Vector | Hand touch screen. touch swiping interface, hands and swipe gestures, smartphone screen finger tap illustration icons set. gesture smartphone touch, interface thumb and pinch, rotate gesturing](https://img.freepik.com/premium-vector/hand-touch-screen-touch-swiping-interface-hands-swipe-gestures-smartphone-screen-finger-tap-illustration-icons-set-gesture-smartphone-touch-interface-thumb-pinch-rotate-gesturing_229548-468.jpg?w=360)
Premium Vector | Hand touch screen. touch swiping interface, hands and swipe gestures, smartphone screen finger tap illustration icons set. gesture smartphone touch, interface thumb and pinch, rotate gesturing
![Quartz on Twitter: "The middle finger is not universal—around the world, other gestures carry a similar meaning: Read more about flipping the bird in Quartz's Obsession on the middle finger: https://t.co/2Zq7ppNCzm https://t.co/REN6RvNKSJ" / Quartz on Twitter: "The middle finger is not universal—around the world, other gestures carry a similar meaning: Read more about flipping the bird in Quartz's Obsession on the middle finger: https://t.co/2Zq7ppNCzm https://t.co/REN6RvNKSJ" /](https://pbs.twimg.com/media/ESIFwmIX0AEsIx6.jpg)
Quartz on Twitter: "The middle finger is not universal—around the world, other gestures carry a similar meaning: Read more about flipping the bird in Quartz's Obsession on the middle finger: https://t.co/2Zq7ppNCzm https://t.co/REN6RvNKSJ" /
![The finger-tapping task. (A) Definition of variables. The subject is... | Download Scientific Diagram The finger-tapping task. (A) Definition of variables. The subject is... | Download Scientific Diagram](https://www.researchgate.net/publication/235395378/figure/fig5/AS:729163795271680@1550857604375/The-finger-tapping-task-A-Definition-of-variables-The-subject-is-instructed-to-tap-in.png)