[MUSIC] So, let's look at what we're going to do in Week 3. So first off, you've already done a fair amount. You've already started to get familiar with social network data. You've already started working with some data sets, and you've already done some sample problems with that. And then, you've started to get a better feel for what you're going to do in your capstone project. You've identified an easy problem and a hard problem, that you want to explore related to social networks. What we're going to do in this week is solve that easy problem. And what I want to do is narrow in on what's required of you and what's optional for this week. So what's required is for you to author a solution to your easy problem. So, you're going to want to solve that easy problem and you're going to want to analyze the runtime of that solution. And you're going to want to make sure that your solution's actually correct through testing. So, those are the things you have to do this week. The optional two pieces, first of all, to have some fun with your solution. That is, find some different social network data, which may be more interesting to explore in the context of the problem you're trying to solve. And the other piece that's optional is, to submit a mini-project report, associated with this, for review. In fact, what we we're going to do with the next videos in this series is we're going to dive into what is expected from those mini-project reports. I do want to give you again, a larger context of where you're headed. So, you're going to solve this easy problem in this week. Next week, you're going to make some progress on that hard question you're trying to solve. In Week 5, you're going to finalize, and wrap up everything associated with the project, and do a text write up of that project. And in Week 6, you're going to present your work and share your work with the other learners in this capstone project. So in the next video, again, we're going to dive into the details of what's required of you, if you want to do the written write-up.