> Twitter is the kind of app you clone when you're learning a framework like Ruby on Rails, it's not a complicated idea from a technical standpoint. That's qui

> Twitter is the kind of app you clone when you're learning a framework like Ruby on Rails, it's not a complicated idea from a technical standpoint. That's quite a gross simplification. You could say the same about S3. It's no more complicated than a server with RAID hard disks in it. Even the simple stuff becomes really complicated at scale.