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matoken (matoken@gnusocial.matoken.org)'s status on Tuesday, 17-Jul-2018 07:13:42 JST matoken

スマートフォンでGPSを使わなくても加速度センサ，磁力計，ジャイロスコープなんかを組み合わせて持ち主をトラッキング
センサーから得られた情報からそれに合う地図の道路を探して当てはめる感じ?

"GPS can spy on you, even when you turn it off" https://www.cnbc.com/2018/07/13/gps-can-spy-on-you-even-when-you-turn-it-off.html
In conversation Tuesday, 17-Jul-2018 07:13:42 JST from gnusocial.matoken.org permalink
Attachments
1. Even without a GPS, here's why mobile phones are 'the best spying device you can imagine'
  
  from CNBC
  
  ATM skimming is on the rise and getting more sophisticated.