Young smiling woman laying on a couch and using her phone in a dark room, chatting in the darkness with smartphone, communicating with friends online

using phone dark smart phone mobile phone text messaging telephone privacy mobile app communication night girlfriend person addict sending light connection people using computer flirting addiction talking technology only women young women reading internet send e-mail surfing the net femininity computer wireless young adult discussion indoors body part hand females digital 4k graphical user interface digitally generated human hand accessibility message portrait lighting equipment mail the media digital display adults only 20-29 years generated computer network ukraine equipment adult residential building