PhysOrg Posted March 13, 2018 Share Posted March 13, 2018 Before the Wi-fi and the Internet, the telephone and the telegraph, the original instant messaging services of society were homing pigeons. After becoming the first domesticated birds, for an estimated 2,000 years, these reliable messengers have brought news from battlefronts and between heads of state. Read the full article on PhysOrg Link to comment Share on other sites More sharing options...
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