Most things you get hired to work on make use of the internet. It used to be rare.
That comes with a lot of problems. You end up dealing with user accounts, authentication, request retries, what to do if the server is down, etc. Plus all the security and abuse issues.
That comes with a lot of problems. You end up dealing with user accounts, authentication, request retries, what to do if the server is down, etc. Plus all the security and abuse issues.