Users usually access social media services through web-based apps on desktops or download services that offer social media functionality to their mobile devices (e.g., smartphones and tablets). As such, social media can be viewed as online facilitators or enhancers of human networks-webs of individuals who enhance social connectivity. The term social in regard to media suggests that platforms are user-centric and enable communal activity.

Social media helps the development of online social networks by connecting a user's profile with those of other individuals or groups.Users create service-specific profiles for the website or app that are designed and maintained by the social media organization.User-generated content-such as text posts or comments, digital photos or videos, and data generated through all online interactions-is the lifeblood of social media.

Social media are interactive Web 2.0 Internet-based applications.

While challenges to the definition of social media arise due to the variety of stand-alone and built-in social media services currently available, there are some common features: Social media are interactive technologies that facilitate the creation and sharing of information, ideas, interests, and other forms of expression through virtual communities and networks.

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