Actually, there is no need to show resources explaining how web/mobile applications are useful, because you can clearly prove how business models are in the 4th industrial revolution era. Especially regarding operations, companies are required to serve customers as simply as possible without neglecting the aspect of satisfaction. In fact, competition uses many digital devices which almost the entire human population in the world owns and depends on. If you are not able to take advantage of it, you will not be a part of this revolution.
I think
your two new threads can be merged, as they contain literally the same content.