Extreme close up of man texting on his mobile cell smart phone

human hand human finger fingernail thumb extreme close-up using phone technology image focus technique text close-up computer language human skin typing mobile app film - moving image text messaging human body part 4k resolution smart phone connection mobile phone e-mail computer software modern contact lens horizontal portable information device part of communication wireless technology futuristic development people separation child care message occupation equipment working white people spirituality two thumbs mountains progress adult business finance and industry business social issues