Most often I see definition of social media cited in research articles "A group of internet based applications that build on the ideological and technological..."
I understand that the dimensions of social media is growing day by day. Social media can be defined using the various composition of terms like: interactivity, social connection, UGC, Web 2.0 etc. Still for research perspective it is always fair to use a cited defnition as what you have quoted from
Users of the world, unite! The challenges and
opportunities of Social Media by Andreas M. Kaplan *, Michael Haenlein
Social is similar to build something, if some technology have destructive content it is not social, it makes social cohesion weak, if you want to know which social networks are really social think in a 6 years old kid, do you allow him to use it? if not it is not social, networks, like Internet, could be used like weapons, so in some cases you have antisocial weapons.