app

application

browsing

communication

commuter

destination

gadget

game

guy

infrastructure

internet

male

man

message

metro

metropolitan

mobile

mobility

news

newsfeed

online

passenger

person

phone

playing

public

reading

screen

scrolling

service

smart

smartphone

station

subway

surfing

tapping

technology

texting

touch

touchscreen

train

transport

transportation

travel

tube

typing

underground

urban

using

young