Ask HN: How did you create a rewarding online presence as an average person?

So as an average person, how can you establish rewarding online presence that can help with career and opportunities?<p>Inspiration for the post: [1] https:&#x2F;&#x2F;news.ycombinator.com&#x2F;item?id=37622702 [2] https:&#x2F;&#x2F;news.ycombinator.com&#x2F;item?id=37617322