hakejam

"public service" was a bit of a misnomer. The article states:

"Amazon is providing police departments in Orlando, Fla., and Washington County, Ore., with powerful facial recognition technology."

Rekognition is SaaS (software as a service). Anyone can pay for running Rekoginition on their data sets (within Amazon ToS). Rekognition was not created directly for the police departments in FL or OR.

Rekognition is a public service and not specific to law enforcement use[1].

[1] https://aws.amazon.com/rekognition/

Disclaimer: I work for AWS.

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Chris was an FBI hostage negotiator. His book takes you through some of his hostage negotiations and demonstrates his techniques.

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