Yet the alternatives the article proposes are mostly for coders and tech folks. Business people only have LinkedIn. However bad LinkedIn can be, it's still the

Yet the alternatives the article proposes are mostly for coders and tech folks. Business people only have LinkedIn. However bad LinkedIn can be, it's still the only tool around for some people. I think the problem is that for some jobs is very difficult to show your skills. A good finance guy has a very hard time showing off vs say, a programmer - there is no github or SOF for finance guys, question is: can there be one?