[Music] hi everyone. Thank you for uh coming to our talk. Uh so he was kind enough to already introduce us.Um so I'm the CEO. Matthew was the first person who joined us. Uh if any difficult questions, please direct it towards Matt.Um now if you think about the three major categories of of software engineering at least as we see it there's three things that show up to me the system design where you think about you know how do you actually architect a system a lot of the the talks we saw in this uh track have ...