Every answer that I have given on Musing so far has been my own opinion or knowledge that I have in my own head. My thought has always been that if you are answering a question it should be your own knowledge, otherwise why not just ask Google directly and not here? That's my personal opinion. I'm young but I have a masters degree and have traveled to most corners of the world so I feel like I have a decent amount of knowledge in my head. :)