How the Hong Kong protests can impact the Internet of Things

A lot of people trying to keep up with the ongoing pro-democracy protests in Hong Kong have surely come across mention of FireChat, the mobile app that protesters are using to communicate without bringing down their cellular networks or relying on a network the government can either monitor or shut down.

Quite often, these mentions of FireChat, which are appearing in mainstream news articles like the New York Times and the Washington Post, are followed by a one- or two-sentence description of mesh networking, the technology that makes FireChat so valuable to protesters. In the interest of clarity, here’s my personal favorite breakdown of how the technology works, from a January article in Wired:

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Network World Colin Neagle