The logo of the social network facebook on the background of dark blotsThe logo of the social network facebook on the background of dark blots
The initial screensaver of the social network on twitterThe initial screensaver of the social network on Twitter
History of social networks: youtube, twitter, facebook, skypeHistory of social networks: youtube, twitter, facebook, skype
A man in a white shirt holds a smartphone in his handA man in a white shirt holds a smartphone in his hand