20s
30s
40s
academic
auditorium
business
businessman
calling
caucasian
cell phone
communication
company
conference center
confidence
connection
convention
corporate
device
elegant
entrepreneur
executive
formal
handsome
holding
leadership
lifestyle
male
man
mature adult
mid adult
mobile phone
on the phone
participants
phone call
phoning
seminar
smart
smartphone
sophisticated
speaking
standing
talking
well dressed
wireless technology
young adult