A South African company tried to shame their Telecom provider by doing this way back in 2009 https://www.wired.com/2009/09/in-africa-a-pigeon-transfers-data-fa

A South African company tried to shame their Telecom provider by doing this way back in 2009 https://www.wired.com/2009/09/in-africa-a-pigeon-transfers-data-faster-than-the-internet/ https://www.wired.com/2009/09/in-africa-a-pigeon-transfers-d...