 Hey, folks, what's up? It's Rob. I'm here with Dion Almar. We are here at the video village. This is where the live stream and all the videos from Polymer Summit are being cut and hosted up on our YouTube page at Chrome Developers. Dion here, you just finished giving a keynote to open day two of Polymer Summit. And you were talking about progressive web apps and some of the pain points that folks might find as they're trying to build those experiences. So for folks who maybe haven't seen your talk yet, can you just maybe highlight some of those issues that developers might face? Absolutely. So yeah, it's been really fun being back in London with the whole crew. And it was really great to kick off day two. Yesterday was really exciting, just all of the fantastic content and the like. And really getting to chat with different developers. And the after party was pretty fun too. It was. And I felt like, and I talked about this at the beginning, I kind of need it because now and then I get a little bit frustrated, both with the world and what's going on right now, both where I grew up and where I now live in the US. And I feel like web developers can be a little bit frustrated with the paradox of choice. Things are evolving so quickly. And so it can kind of feel a little bit overwhelming. But if you step back a little bit, you kind of see the macro picture. In the world, it's actually a better time to live as a human than it ever has been. Less poverty, all that kind of good stuff. And as a developer, the web's kind of back now with progressive web apps, we're able to really deliver mobile native applications. So we talked a little bit about that. And just the real kind of call to action is that I've kind of heard throughout the conference too is just about the fact that we know we need to deliver these amazing user experiences. But how the hell do we do that on the web in these constrained environments where you want to get something loaded on any tap in three seconds on 3G? How do you actually do that? And I feel like we're just now getting to the step. Talk a bit about how it feels like I'm Dr. Who. Or the ecosystem is Dr. Who regenerating and kind of going from the desktop app world to the mobile app world. And first, the browsers had to fix themselves on mobile. And now it's kind of like the frameworks and web developers that need to kind of change the way that we do things. And then all of this kind of kicked into the fact that right after me, you had this fantastic keynote all about all of the tooling changes that happened in Polymer. And so I feel like that's a vital part of this, because the capabilities are kind of there. And we're kind of working out how to do it. But without the tooling, it's incredibly painful to actually produce that. And so you mentioned a bit about Polymer and the need for some better tooling. But how do you think something like Polymer makes it easier for developers or improves their ergonomics when it comes to building something like a progressive web app? So I feel like especially with Polymer 2 and all of the new stuff, it's thinned itself out. Like a lot of the popular frameworks at the moment were actually built for the desktop world. And I feel like they're all kind of evolving themselves to be as streamlined as possible, both for small download, but then actually being able to evaluate and run on these devices. I feel like Polymer's squarely there. And then I owe we got to hear about Purple and that whole world. And now with the tooling that we just talked about, it can actually be practical for developers to kind of feel like they can work nicely with a simple abstraction on just like here are the different elements. And here's how I want to structure things. And the tools can take that and bundle it all correctly. So when you go in and do a first load on something, the Polymer app is going to just send what's necessary. But as a developer, I don't have to spend all of my time doing all of this crazy hacks to make it actually work. And so you mentioned devices there too. And so I'm curious if there's one thing that you could have developers go do and learn more about when it comes to building progressive web apps? What would that be? And how could they learn more about some of these devices and how to build for them? So Alex Russell is actually about to give a talk later on. So check out the live stream and then the video afterwards, because he's going to hammer this point home. I have a feeling on really testing on device, going through the constraints. It's really easy as a developer to sit there in Chrome and feel like you're in DevTools and you're emulating mobile. And that's what it's like, right? And it's totally not the real world at all. And so I feel like we're still working on this a little bit, but really giving you what are the actual constraints for this new world, kind of in general. And then to the next level, when you think about MBU and the like. Cool, awesome. So definitely if you haven't seen Dion's talk yet, go catch that. We'll be putting it up on the YouTube channel very soon. And be sure to catch Alex Russell's talk, where he's going to be covering mobile devices and really what developers need to know for building for those underpowered devices, especially for next billion users. Dion, thank you so much for being with us today. Thank you all so much for watching. Stay with us. We're going to keep doing reports live from Polymer Summit 2016. And I'm Rob. Again, Dion, thank you so much. Stay with us. See you.