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The full picture of modern web development — frontend frameworks, backend architectures, APIs, databases, and the tools that connect them all
In 2012, Facebook's mobile app was dying. Loading the News Feed required 76 separate REST API calls. Engineers were burning out. Users were leaving. Then Lee Byron and Dan Schafer locked themselves in a room and built something that would replace every REST API pattern we'd spent 20 years perfecting.
In 2012, Facebook's mobile app took 14 seconds to load the News Feed. The problem wasn't the servers — it was REST itself. One engineer's frustration led to a query language that would replace 20 years of API design.
In 2012, Facebook's mobile app was dying under the weight of hundreds of REST endpoints. One engineer's weekend experiment became the query language that would redefine how the entire internet talks to servers.
In 2012, Facebook's mobile app was dying under the weight of 50+ REST endpoints. The News Feed took 10 seconds to load. So they invented a query language that would change how the internet talks to itself.
In 2007, Rob Pike, Ken Thompson, and Robert Griesemer were waiting for a C++ build. By the time it finished, they'd sketched a language that would handle concurrency in a way no mainstream language had before.
Vercel's Guillermo Rauch bet that React needed a framework, not just a library. Seven years later, Next.js powers half the modern web — and it's now coming for the backend too.
For years, React developers manually optimized with useMemo, useCallback, and React.memo. React 19's compiler makes all of that obsolete. Here's what changed, why it matters, and what the future looks like.