Recital 30

(30) Individuals may be assigned Internet identifiers such as IP addresses, cookie identifiers generated by their devices, applications, tools and protocols, or other identifiers, such as those generated by RFID tags. This may result in traces that, in particular, in combination with unique identifiers and other information obtained by servers, can be used to create profiles and identify those individuals.

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The controller of your data is ODO 24 sp. z o. o.
Recital 30 of the preamble to the GDPR | ODO 24