Male executive talking on cellular phone, pillars behind

Young executive, holding mobile phone, looking at camera

Male executive talking on cellular phone holding newspaper, smiling

Male executive talking on cellular phone, trees behind

Male executive talking on cellular phone with office buildings behind, low angle view

Female executive sitting, using cellular phone

Female executive sitting, using cellular phone

Male executive using cellular phone, thoughtful expression

Male executive talking on cellular phone

Female executive smiling at male executive talking on cellular phone in car

Female executive sitting, using cellular phone

Male executive talking on cellular phone in car, profile

Male executive with cellular phone, skyline reflected in car window

Male executive holding cellular phone hands-free set in car

Male executive talking on cellular phone ( high grain)

Male executive dialing cellular phone in busy street, neon lights in background.

Male executive with sunglasses, using cellular phone

Male executive using cellular phone

Executive woman using cellular phone and reading newspaper in taxi.

Male executive using laptop, female using cellular phone, outdoors.

Executive woman using cellular phone, chinese pattern in background.

Male executive on laptop, female on cellular phone.

Two executives at night, woman using cellular phone

Executive woman using cellular phone indoors, windows in background.

A cartoon drawing of a businessman sitting at a work desk looking stressed and surrounded by active cell phone, computers, intercoms and memos

Group of businessmen

Close-up view of a businessman talking on phone

Man on phone in a business meeting

Man standing with cellular phone and laptop

Rear view of businessmen

Side view of businessmen, with line graph in the background

Side view of businesswomen in office

Businessmen at work in office

Male executive looking at cellular phone, pillars behind