young man portrait using smartphone laughing standing in library social media funny

text messaging smart phone portable information device technology young adult internet reading social media men student film - moving image wireless technology entrepreneur businessman connection communication bookshelf expertise one young man only telephone learning looking 4k resolution choosing library research human face one person university equipment portrait confidence handsome people asian and indian ethnicities business adult people studying close-up horizontal only men adults only indoors individuality slow motion one man only human body part germany cheerful non us film location touching casual clothing standing pride beautiful people head lifestyles happiness relaxation joy