(43) , everyone with an internet connection can be a content creator and media

Read the following passage and mark the letter A, B, C or D on your answer sheet to indicate the fits each of the correct answer to each of the questions from 39 to 43.
With the widespread availability of the internet and the development of social media, communication consumption has a decidedly personal character, (39)_______ the Spanish sociologist Manuel Castells calls mass self-communication. Apart from this, people have also studied computer-mediated communication since the technology first became available in the 1970s. Early studies focused on teleconferencing, and how interactions between large groups of strangers differ from interactions with known partners. (40)_______ studies were concerned with whether communication methods lacking nonverbal cues could influence the meaning and quality of social interactions. Today, people have (41)_______ to both text-based and visual information, so those studies are no longer useful. Information is now (42)_______ in many directions and methods, and audiences can vary from one person to many thousands. (43)_______ , everyone with an internet connection can be a content creator and media source. As a result, social interaction has been becoming more individualized than ever before.