I attended a seminar recently and it reminded me of the advantage of networking with people who share the same training on a subject. The common bond provides one aspect and the other is that if you choose to do business with that individual, you share a common framework.
There were several service providers in attendance who I may consider hiring in the future. If I follow on a particular track for my business as recommended in the training, using these people offers a common perspective that could prove useful.
If I want to hire them to implement some of what I was taught, they have a clearer understanding of what I desire.
Those in attendance at the seminar now have an advantage over those that didn't attend as they know the context from which I now may be operating in my efforts.