african
african woman
atm
break
card
caucasian ethnicity
coffee
colleagues
connection
consumerism
contactless
contactless payment
credit
credit card reader
customer
device
digital
economy
finance
friends
hand
holding
human
information
lifestyles
lunch
mobile phone
modern
paying
payment
people
phone
portability
portable
reader
restaurant
shop
smart
smart phone
smiling
technology
telephone
using phone
waiter
wireless
work
young adult