Some questions are asked frequently. "Where do you get your ideas?" is one. That's easy. I get them from anywhere and everywhere - begged, borrowed, stolen or literally dreamed up. "How do I get my book published?" is another. That's less easy, but part of the answer is to write something that someone in the industry is going to fall in love with. (And if you find a sure-fire way of doing this, maybe you'll let me know.)
"Pieces" is mostly about answering questions I have been asked, for example about having an author as a father. But it's also somewhere to put things that don't already have a place but are too good to be kept waiting around.