<classify> Ụlọọrụ ahụ nwere olileanya ịgbasa ụmụ isi mmalite uru ya ma mee ka amara ya amara nebe Skype nwere ọkwa guzosịrị ike, dịka Chaịna, Ebe ọwụwa anyanwụ Yuropu, na Brazili.  <topic>: Science and technology 