Understanding and using intelligence is in all of us. People use it for what their purpose for and because of that there is different categories that people work in. Different skill-sets to be also considered also and not everyone is everyone but to what they can or cannot do. Not everyone is a welder or doctor, nevertheless at least one person is one of them because of the skills from the intelligence that they have. Understanding intelligence difference and its subjectivity is one way of understanding Mike Rose article "Blue-Collar Brilliance" where he explains not all intelligence is based on the paper degree that college brings out but it is placed on who uses it. Blue-collar work is where he studies and talks
