We all want to have original ideas, but when you're surrounded by similarity it isn't exactly easy to come up with them. Some of the best ideas we have for posts don't come from internal brainstorming, but from experiences with non-Lifehacker-types in our own lives.
"It's hard to have original ideas when you are surrounded by people who all have the same experiences as you." -- Jonathan Harris
It's normal for us to want to surround ourselves with similar people, but ultimately that's detrimental to creative thinking. If you want better ideas, step away from normal. It makes a big difference.