Hi, I'm Rui and welcome to the App Performance Cafe, a podcast focused on mobile app performance. Today, I have the pleasure of having as a guest Michael Rebello from Lyft. Michael is a Staff Engineer, and we share a big passion for network optimizations, so, as you can imagine, it took some effort to keep this episode not too long. Michael will guide us through the network optimization he has been working on at Lyft. We touch on a few approaches, but as highlights, I would pick the core concepts of abstracting networking from the application layer and product engineers through things like envoy mobile and deferral requests. The last one is quite interesting as it ensures that the Lyft app is resilient even in the case of no internet connectivity. And how about chaos testing with real users? Stay tuned to listen to it all! I hope you enjoy it. I certainly did! Don't forget to follow us on the usual podcast platforms.