Focused on Walmart, for an HR Architectural perspective. Mentioned the Strategic Value of employee skills: Makes a significant contribution to customer value through increased- efficiency, creativity and innovation, quality, customer responsiveness, etc. External Employment = Low Value, Internal Employment= High Value. Also, mention the uniqueness of employee skills: difficult for competitors, to imitate, and are competitively unique due to: firm specific application of abilities, not readily available in the marketplace. High Uniqueness = Relational Employment Relationship, Low Uniqueness= Transactional Employment Relationship