The PLATO system was launched in 1960 at the University of Illinois
ARPANET, which came online in 1969, had by t… 展开

A 2015 review identified four features unique to social media services:
• Web 2.0 Internet-based applications.
• User-generated content
• User-created self profiles … 展开

Social media encompasses an expanding suite of services:
• Blogs (ex. HuffPost, Boing Boing)
• Business networks (ex. LinkedIn, XING)
• Collaborative projects (Mozilla, GitHub)… 展开

Mobile social media refers to the use of social media on mobile devices such as smartphones and tablets. It is distinguished by its ubiquity, since users no longer have to be at a desk in order to participate on a computer. … 展开

Certain content has the potential to spread virally, an analogy for the way viral infections spread contagiously from individual to individual. One user spreads a post across their network, which leads those users to fo… 展开