The way the world says hello is changing. Quickly.
In lieu of the germ-rich exchange of the handshake, alternative salutations are taking hold.
In Tanzania, President John Magufuli introduced a low-touch greeting when he met with the opposition leader from Zanzibar Seif Sharif Hamad, reports Eyder Peralta, NPR's correspondent in east Africa. It takes the form of a catchy, two-part salute, using both hands and feet.