How developers can improve products by keeping their customers in mind. Learning customer requirements and problems can help developers create better products and improve customer relations.

The current annual market value of QA (quality assurance) and software testing is $12 billion, among which test automation is gaining prominence. Test automation is the use of software to control the execution of tests. Compared to manual tests, which is laborious and time-consuming, test automation uses a computer program to conduct testing, which makes it run quickly and repeatedly.