and .... here is why:

Six degrees of separation.

Everyone and everything is six or fewer steps away,

by way of introduction, from any other person in the world, so that a chain of "a friend of a friend" statements can be made to connect any two people in a maximum of six steps. Using Steam groups can extend users reaches to other group members, and filling the gaps in users' current network. Once users joined these groups, the best approach is to participate in or start discussions beforehand. This builds credibility and entices folks to agree to connection requests based on the fact that the user has a shared viewpoint and authentic interest in similar subject matters.