Have you ever imagined that online learning will one day replace classroom education? If this question were asked before the outbreak of the world pandemic of coronavirus, the answer would probably be an emphatic no. However, in December 2019, the world was struck by the advent of an unseen enemy, COVID-19. To compound the problem, tens of millions of students around the globe have difficulty continuing their education. The only solution was the switch to digital learning. Virtual education is a boon, since it helps students complete their studies during pandemics and save time and energy.