Suddenly, a chat window popped up in the bottom left corner. It was his roommate, Steve.
The year was 2009. The era of the status update, the "Become a Fan" button, and the relentless, terrifying rise of FarmVille .
Images are stored in (Facebook’s custom photo storage system) and served via FB CDN . URLs contain access tokens that expire. For example: https://scontent.fxxx1-1.fna.fbcdn.net/v/t39.30808-6/12345678.jpg?stp=...&_nc_eui2=...&oh=...&oe=...
He refreshed the page. The newsfeed came back.
When Facebook first launched in 2004, the "photo viewer" was a simple database-style interface. Tagging didn't even exist until 2005. Over the years, the platform introduced several revolutionary changes: