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China-based chain says rows of surveillance cameras in Canadian restaurants for security, not spying | National Post
Do stores and restaurants that have security cameras, keep the footage permanently, and do they regularly review the footage? - Quora
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ieGeek Security Cameras Wireless Outdoor - Smart 2K Battery Powered WiFi Camera System for Home Surveillance, Indoor Video Cam with Color Night Vision, 2 Way Audio, Motion Sensor : Amazon.ca: Electronics
Do stores and restaurants that have security cameras, keep the footage permanently, and do they regularly review the footage? - Quora
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