While this is cool and handy, sadly not of any use to me.

According to Uk ICO (Information Commissioner Office) Fingerprinting has to have consent.

https://ico.org.uk/for-organisations/guide-to-pecr/what-are-... "PECR also applies to ‘similar technologies’ like fingerprinting techniques. Therefore, unless an exemption applies, any use of device fingerprinting requires the provision of clear and comprehensive information as well as the consent of the user or subscriber."