Podnikání, lidé a technika koncept - šťastný usmívající se podnikatel v obleku zobrazuje prázdná obrazovka smartphone černé město pozadí - Stock fotografie a obrázky

Business, people and technology concept - happy smiling businessman in suit showing smartphone black blank screen over city background

Business, people and technology concept - happy smiling businessman in suit showing smartphone black blank screen over city office window background

Business, people and technology concept -happy businessman texting on smartphone over office room and window with city view background

Portrait of a man using his mobile phone

Handsome man using his tablet computer

Business, technology, internet and education concept - friendly young smiling businessman with smartphone

Businessman holding smartphone with blank screen and doing thumb up gesture isolated on white background

Business, technology, internet and education concept - friendly young smiling businessman with smartphone

Business, technology, internet and education concept - friendly young smiling businessman with smartphone

Business, technology, internet and education concept - friendly young smiling businessman with smartphone

Business and technology concept - smiling businessman with tablet pc computer

Business, communication, modern technology and office concept - smiling buisnessman with tablet pc computer

Business, office and technology concept - smiling businessman with laptop computer and smartphone at office

Business, office and technology concept - smiling businessman with laptop computer and smartphone at office

Business, communication, modern technology and office concept - smiling buisnessman with tablet pc computer

Business, internet and technology concept - businessman showing smartphone with blank black screen