addiction young
body
cell phones
cellphone
click
communicate
contact
device
double clicking
fast
female
fingers touching
fun
game
girl
hand
internet
kakao talk
key pad
lady
message
mobile
mobile phone
online
phone
screen
sending sms
short message service
sign
skill
smart
smart phone
social issue
speed
swipe
tablet pc
tapping
technology
teen
telephone
text
text message
touch
touch pad
touch screen phone
type
up
using
women
young