Business executives using mobile phone

text messaging touch screen smart phone mobile phone african ethnicity connection communication hd corporate business internet participant entrepreneur mid adult women mature women dialing businesswoman education holding choosing wireless business men caucasian young adult mid adult men women businessman office teamwork typing lobby mature men mature adult young men convention center indoors workplace handsome people adult well-dressed south africa 4k lifestyles 20-29 years 50-54 years standing fashion 25-29 years 30-39 years 30-34 years mid adult 40-44 years elegance auditorium in a row beauty