With that in mind, you will find plenty of opportunities to delve into online sales. E-commerce grew over 27% in 2020 and is expected to grow by about 14% in 2021, according to data from eMarketer. Retail Index, the pandemic has accelerated the shift away from physical stores to digital shopping by roughly five years. Customers prefer the convenience and selection provided by online shopping, and the pandemic has pushed even more people to shop online. E-commerce businesses are more popular than ever.