I always read an organization's mission statement and try to speak to its employees to get an idea of the culture there before I apply for a job.
Organizations that have a very rigid, authority based structure with strict rules is not for me. I am much more comfortable and productive in organizations that have a friendly culture. I think employers and employees should be able to talk to each other easily. It should not be a problem to meet other employees outside of the office.
This is the kind of organizational culture I like working in but I know there are people who prefer to work in organizations that have a very different culture. This is why it's important to find out if someone will be able to fit into that culture before starting to work there.