tl;dr:Chris was tasked with YouTube page from 1.2MB to under 100KB. When his code went into production, latency of requests increased. Why? He had unlocked users in new geographies that could finally watch YouTube, albeit with slower connections.
tl;dr:Just after Google's acquisition of YouTube, a YouTube engineer recounts his team's stealth effort to push a fifth of the site's users off of IE6 without informing the organization 🤫.