The IBM PC takes us to 1981, with a host of both Mac and PCs being used throughout the 1980s.
Multiple modems, followed by specialized telco hardware allowed multiple to many users online simultaneously.
Social media changes the way individuals and large organizations communicate.
These changes are the focus of the emerging fields of technoself studies.
Social media differ from paper-based media (e.g., magazines and newspapers) or traditional electronic media such as TV broadcasting in many ways, including quality, This is in contrast to traditional media which operates under a monologic transmission model (one source to many receivers), such as a paper newspaper which is delivered to many subscribers, or a radio station which broadcasts the same programs to an entire city.
In 2016, Merriam-Webster defined social media as "Forms of electronic communication (such as Web sites) through which people create online communities to share information, ideas, personal messages, etc." Social media technologies take many different forms including blogs, business networks, enterprise social networks, forums, microblogs, photo sharing, products/services review, social bookmarking, social gaming, social networks, video sharing, and virtual worlds.
At the same time, concerns have been raised about possible links between heavy social media use and depression, and even the issues of cyberbullying, online harassment and "trolling".
Currently, about half of young adults have been cyberbullied and of those, 20 percent said that they have been cyberbullied regularly.
Social media are computer-mediated technologies that facilitate the creation and sharing of information, ideas, career interests and other forms of expression via virtual communities and networks.
The variety of stand-alone and built-in social media services currently available introduces challenges of definition; however, there are some common features: Users typically access social media services via web-based technologies on desktop, computers, and laptops, or download services that offer social media functionality to their mobile devices (e.g., smartphones and tablet computers).
According to Nielsen, Internet users continue to spend more time on social media sites than on any other type of site.