Young man leaning against buiding column talking on cell phone

Young executive using cell phone outdoors

Young businesswoman using cell phone in office

Couple sitting at makeshift desk, woman using laptop computer, man using cell phone and smiling at camera

Man using cell phone, smiling at camera, laptop computer sitting on cardboard box in foreground

Professional woman using cell phone, smiling at camera, male colleague in background

Young man looking down at cell phone, close-up

Man talking on phone, sitting on floor next to woman using laptop computer at cardboard box desk

Young man sitting on the ground, using laptop computer, high angle view

Young man in suit sitting on the ground, using cell phone, smiling

Young man in suit sitting on the ground, using cell phone, head back

Businesswoman using cell phone, colleague working in background

Man using smartphone, smiling

Businessman leaning against railing, talking on cell phone

Elderly man wearing traditional Chinese clothing using camera phone

Silhouette of woman using cell phone

Business executive using cell phone outdoors

Business executive using cell phone outdoors

Senior man talking on cell phone

Elderly man wearing traditional Chinese clothing, using laptop and cell phone

Businessman talking on cell phone in city, leaning against motor scooters

Mature man photographing scenery with cell phone

Businessman sitting under tree, using cell phone

Businessman sitting on sand dune, using cell phone

Man leaning against ladder, using cell phone, smiling at camera