Ein Mann sitzt und benutzt Notizbuch . - Stockfoto & -bild

A man sit and using notebook .

Young adult business man typing using laptop in office.

Hands of a businessman typing on a laptop computer seated at his desk in the office in a close up conceptual view

Close up view man hand typing on mock up computer laptop.

Top view man typing text message on his smart phone while sitting front open laptop computer, office man connecting to wireless via notebook and mobile phone while he keyboarding .

Top view man typing text message on his smart phone while sitting front open laptop computer, office man connecting to wireless via notebook and mobile phone while he keyboarding .