As developers we want to get our products in the hands of our users as quickly as possible, while we strive to keep complexity and context switching overhead down to a minimum. Moving towards unifying the server and the client presents some very appealing advantages, suggesting you could get the best of both worlds (performance, SEO, graceful degradation, code sharing, etc.) This talk will explore the available options out there for building isomorphic JavaScript applications, showing both the advantages and drawbacks. Using node.js, React, the Flux pattern and compatible routing solutions, we’ll see that this is in many cases a viable solution already used for notable production applications today.