Chapter 10. Mobile Phone Networks and the Physical World

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ohai lion, how r u??? txt me l8r!!!

This lion can send you an SMS. Groundlab, in conjunction with Living with Lions and Lion Guardians, developed this tracking collar that utilizes a GPS/GSM module to transmit lions’ locations via SMS to researchers and Maasai herders. This open source system aims to help conservationists protect the last 2,000 lions living in the wild in Southern Kenya, and safeguard the Maasai herders’ cattle, restoring Maasai land to a working ecosystem. Photo courtesy of Groundlabs.

Ethernet and WiFi are handy ways to talk to people and things on the Internet, but there’s ...

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