reiver, From a discussion about WriteFreely —
It mentioned one of the reasons that people who create content — whether that content b earticles, videos, posts, or whatever) — join big social-media platforms.
The answer — to reach and grow an audience.
...
I discovered this, too, when I was researching why people used YouTube and other social-media. Although with YouTube there were some additional reasons, too.
https://news.ycombinator.com/item?id=27800248