Restaurant product managers are facing one of the toughest times that  they have ever had to deal with. The arrival of the Covid-19 virus has  changed everything for them. 

Most restaurants have had to shut down for a  while and customers have been told to stay at home and not go out. Many  restaurants are reporting that their sales have fallen by up to 48%  from a year ago. However, not everyone is suffering. In fact, business  is booming for some restaurants. 

What can product managers learn from  the changes that are sweeping through the restaurant industry?