Control the number of customers in a store using a phone app to ensure social distancing.
Multipurpose dispenser made from components of water purifier, scrap & hardware to use either soap+water or sanitiser dispensing
Large shops used staff to limit customer entry during lockdown. Small shops which don't have extra staff, can use this solution.
Tableau on a 64x32 RGB matrix that displays real-time statistical information on COVID19 in countries with the highest cases of infection.