young man and senior male working on computer

adult adults advice african american black business businessman caucasian communicate communicating computer conversation copy desk direction diverse diversity educate education elderly ethnic explaining expression finger focus gesture hand hands handsome help instruction instructions internet keyboard laptop learning lifestyle listening looking male males man mature men modern multicultural multigenerational multiracial old people person pointing potrzeba professional race reading screen senior sitting smile smiles space stand standing success successful table teacher teaching teamwork technology telecommunications tie training two using white working young