This device was built by the Chinese government. It can be concealed inside a small electronic device such as an electric kettle or an iron. It looks for open WiFi, and if it finds it, it sends audio to a server also operated by the Chinese government.
Further details:
http://www.bbc.com/news/blogs-news-from-elsewhere-24707337
http://www.cbsnews.com/news/hacked-from-china-is-your-kettle-spying-on-you/
- Read this Steem exclusive about how the regulations on banking violate rights, stifle innovation, and actually make it harder to fight crime.
- Read this article about dissatisfaction with America's two-party system and what we can do about it.