I do not think we can build systems that are large with large components. - Joe Armstrong

I just want to model what’s going on in the real world

I think we have to think about how we can make systems out of very small components with very strictly defined protocols between them.

This is a letter about a conference. Does it go in letter or in conferences? This is a categorization problem, as soon you put categories into things you don't know what category to use. This is the problem in object oriented programming, this is why object oriented programming is bloody stupid.