Please discuss the COVID-19 and abit about technological change in Supermarkets and Grocery Stores in Australia's industry.

For example Has COVID-19 benefited or hurt the industry's profitability in the short run, and why? Is that effect likely to last even after the pandemic has been brought under control? Is the industry likely to undergo long-term changes as a result of the pandemic? What do COVID-19's effects on the industry tell you about its structure?

Have there been significant technological changes affecting profitability in the recent past, or are any such changes likely in the future? One thing you can talk about is the self checkout and online store/delivery.