Man using digital tablet

Man using cell phone

Frowning man on telephone

Man using digital tablet

Young man using smartphone

Happy man on telephone

Man using cell phone

Mid adult business man holding bicycle, making telephone call using smartphone

Man using laptop at desk

Mature man using digital tablet

Young man using cell phone

Senior female nurse using telephone

woman using credit cards instead of cash

Close-up of a businessman using a pay phone

A man multitasking and panicking to meet a deadline

Two people on opposite sides of the world making a business transaction using the internet

Young couple using cell phone and holding magazine, digital composite.

A man using satellite communication

A businessman using a phone and holding a laptop

A man using his cell phone

A man is working while a woman surfs the internet on her cell phone

Silhouette of two young men and a young woman talking on pay phones

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

characters with speech bubbles of teaching

Worried man using pay telephone