E-Commerce is what allows customers to conduct commercial transactions online. This idea has allowed the business world to become much more convenient to tread and exponentially faster for the consumer to get the actual product. A website or an application is the first interaction between you as a business owner, and a potential client.
The image a client perceives of your company and your offerings is taken from this exposure. The client can either take you as another run of the mill business, or he can find himself being really impressed.
If clients are impressed with what they see, your business will get a major boost because of your initial foresight and investment in creating such appealing websites and applications.