Instagram is using code optimization to reach users with poor connections

EXCLUSIVE: One challenge Instagram faces in its efforts to expand its userbase is how to reach folks who are in parts of the world without great internet access. That’s why the Facebook-owned company has turned to a New York-based team of engineers to help streamline and optimize its app for better performance in network environments with spotty or slow connections.
A key issue when building systems that improve performance is that it can be hard for software engineering teams to see when