Offline-First Engineering: Building Mobile Apps That Work Seamlessly Without Internet
Getting people to download your app is not the part anymore.
The hardest part is keeping them interested when the internet is not working.
For a time people who make apps for phones have been focused on making them fast and getting information from the cloud quickly.
Companies have spent a lot of money on things that help apps talk to each other and update in time because phone networks have gotten faster and better.