Today's NRIf absolutely fantastic news. UPI is more likely to be used by the government for schools and LTC facilities than KNR, for more than one reason. Restaurants could definitely use this to encourage customers to come back to a safe environment. UPI and DFLY stop the virus from entering the building, KNR let's you know that you're amongst someone who is already infected. Big difference... I belive that UPI will be a major game changer. Go UPI Go!