Communicating to external services is essential to the everyday function of many apps. These communications enable us to login, connect and share across social newtorks like Twitter, purchase items and message users. Additionally, retrieving and pushing content to web services enables apps like Instagram and Facebook.
In this section, we're going to cover:
Learn NSURLSession with Swift - https://medium.com/swift-programming/learn-nsurlsession-using-swift-ebd80205f87c
AFNetworking - https://github.com/AFNetworking/AFNetworking