Whenever there is a class you learn. Each time a student raises a question the teacher learns a new lesson, whether a content, either how to count the concept or a new application of the. The fact is that the feedback process is always repeated in classes.
On occasion, a person who has told me that he wanted to increase knowledge in some field, I've been repeating the same phrase:
If you want to learn something, enséñalo
Hoy me han enviado un correo preguntando la forma de desenfocar parte de una imagen en Blender. I immediately wrote an article to answer the questions and, passing, I have experienced the technique with the current series of minimalist wallpapers I'm doing, enjoying, for Christmas.