Final answer:
Big companies in various sectors, such as restaurants, retail, and healthcare, transformed during the pandemic with adaptations like improved online services and significant innovations like the rapid development of COVID-19 vaccines.
Step-by-step explanation:
During the pandemic, several big companies underwent significant transformations, either by adapting to shifting consumer behaviors or by innovating to meet new demands. For instance, restaurants and small retailers experienced significant revenue declines, but many adapted by enhancing online ordering systems and offering contactless delivery options.
The movement towards digitalization was accelerated, creating new opportunities for companies such as Zoom, which became essential for remote work and learning. In the retail sector, companies like Amazon saw a tremendous increase in online shopping, pushing further developments in logistics and delivery systems to cope with heightened demand.
Similarly, companies in the healthcare industry rapidly evolved, with pharmaceutical giants like Pfizer and Moderna spearheading the development and distribution of COVID-19 vaccines. This innovation significantly disrupted their industries for the better, creating new possibilities for rapid vaccine development in response to emerging health threats.