A method of activating augmented reality, AR, content (193, 593), the method comprising: enabling an electronic device (110, 210) to access an authentication agent (180, 580); obtaining, by the electronic device (110, 210), a digital representation (141, 241, 341) of an interaction with a physical environment (100, 200) comprising a plurality of objects (120A, 120B, 220, 230, 349A, 349B, 349C); discriminating at least two different objects from the plurality of objects (120A, 120B, 220, 230, 349A, 349B, 349C) as a first valid authentication object (120A, 120B, 220, 230, 349A, 349B, 349C) and a second valid authentication object (120A, 120B, 220, 230, 349A, 349B, 349C) based on the digital representation (141, 241, 341); deriving a first set of authentication features (160, 260, 360, 460) associated with the first valid authentication object (120A, 120B, 220, 230, 349A, 349B, 349C) and a second set of authentication features (160, 260, 360, 460) associated with the second valid authentication object (120A, 120B, 220, 230, 349A, 349B, 349C) from the digital representation (141, 241, 341); characterized in that the method further comprises: establishing, by the authentication agent (180, 580), a content access level (183, 583) related to the AR content as a function of a juxtaposition (470, 570) of the first set of authentication features (160, 260, 360, 460) with respect to the second set of authentication features (160, 260, 360, 460), wherein the juxtaposition (470, 570) is based on at least relative time information; activating, by the authentication agent (180, 580), the AR content (193, 593) based on the content access level (183, 583) and one or more real-world interactions; and configuring an output device to present the AR content (193, 593) according to the content access level (183, 583). enabling an electronic device (110, 210) to access an authentication agent (180, 580); obtaining, by the electronic device (110, 210), a digital representation (141, 241, 341) of an interaction with a physical environment (100, 200) comprising a plurality of objects (120A, 120B, 220, 230, 349A, 349B, 349C); discriminating at least two different objects from the plurality of objects (120A, 120B, 220, 230, 349A, 349B, 349C) as a first valid authentication object (120A, 120B, 220, 230, 349A, 349B, 349C) and a second valid authentication object (120A, 120B, 220, 230, 349A, 349B, 349C) based on the digital representation (141, 241, 341); deriving a first set of authentication features (160, 260, 360, 460) associated with the first valid authentication object (120A, 120B, 220, 230, 349A, 349B, 349C) and a second set of authentication features (160, 260, 360, 460) associated with the second valid authentication object (120A, 120B, 220, 230, 349A, 349B, 349C) from the digital representation (141, 241, 341); characterized in that the method further comprises: establishing, by the authentication agent (180, 580), a content access level (183, 583) related to the AR content as a function of a juxtaposition (470, 570) of the first set of authentication features (160, 260, 360, 460) with respect to the second set of authentication features (160, 260, 360, 460), wherein the juxtaposition (470, 570) is based on at least relative time information; activating, by the authentication agent (180, 580), the AR content (193, 593) based on the content access level (183, 583) and one or more real-world interactions; and configuring an output device to present the AR content (193, 593) according to the content access level (183, 583). establishing, by the authentication agent (180, 580), a content access level (183, 583) related to the AR content as a function of a juxtaposition (470, 570) of the first set of authentication features (160, 260, 360, 460) with respect to the second set of authentication features (160, 260, 360, 460), wherein the juxtaposition (470, 570) is based on at least relative time information; activating, by the authentication agent (180, 580), the AR content (193, 593) based on the content access level (183, 583) and one or more real-world interactions; and configuring an output device to present the AR content (193, 593) according to the content access level (183, 583).