IQ is a significant measurement that should not be ignored but I think it's important to see intelligence as a social process. There are a lot of people that I know I would score much higher on an IQ test but they are way better in expressing their thoughts. That matters a lot. And often what makes people "smart" is being able to juggle different perspectives which takes time to expose yourself to those perspectives.
You can get smarter by reading and people should be told that.
You can get smarter by reading and people should be told that.