I mean, both research papers often posted on arXiv, onto the Internet, but also plus Medium posts, um, [NOISE] you know, what maybe some occasional GitHub post although those are rarer. But whatever texts or learning resources you have. And then, um, what I usually do is end up skipping around the list. All right. So if I'm trying to master a new body of knowledge, say you want to learn the most speech recognition systems, this is what it feels like to read a set of papers, which is maybe you initially start off with five papers and if on the horizontal axis,