What is the main message or takeaway of Surowiecki's article?

What is the main message or takeaway of Surowiecki's article?

Meetings are a vital skill for the $21$st century, and they can be learned and practiced by anyone who wants to solve complex problems with others

Meetings are not only about what we do$,$ but also about how we do it$,$ and literature can help us do it better

Meetings require a shift in mindset from seeing oneself as an individual to seeing oneself as part of a collective, and from seeing problems as threats to seeing them as opportunities

All of the above