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

Portrait of a man using his mobile phone

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

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

Smiling business man using a smartphone

Portrait of a businessman using his mobile phone

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

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

Business, people and technology concept - close up of businessman hands with smartphone texting message at office

Business, technology, internet and communication concept - young smiling businessman texting message on smartphone

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