Valve's wanted "T-shaped" people, and its approach to hiring people involved three key characteristics:

	a.	Highly skilled at a broad set of things
	b.	Narrowly focused technical introverts
	c.	Among the best in their field within a narrow discipline
	d.	People not particularly experienced in any one thing
	e.	A rules-oriented mindset
	f.	The ability to talk through issues out loud in a collaborative way
	g.	Unskilled introverts