We may then just have different scopes for what counts as "Social Media" and what are other "categories of online services". The wikipedia definition seems good

We may then just have different scopes for what counts as "Social Media" and what are other "categories of online services". The wikipedia definition seems good: https://en.wikipedia.org/wiki/Social_media https://en.wikipedia.org/wiki/Social_media > Most of them were ludicrous for reasons that were obvious at the time, and apply equally to social media: It seems post facto to conclude that they were obviously ludicrous at the time. Perhaps with hindsight it seems as ludicrous as a belief in alchemy in the middle ages, but it wasn't obvious that you couldn't turn lead into gold before we had chemistry. In the Web 2.0 era lots of smart people thought social media could make the world better. I raised money and founded a "social media" startup expressly thinking it would empower people, and many of my peers in that world were equally earnest.