Abstract: The present invention provides a lighting device comprising a light output means, a computing device, data communication means, and a casing, wherein the light output means is configured to be controllable by the computing device, the computing device configured to receive and/or transmit instructions to/from the data communication means. The lighting device may be capable of outputting light have various effects, or may emit notifications to a user.

Abstract: The present invention provides a lighting device comprising a light output means, a computing device, data communication means, and a casing, wherein the light output means is configured to be controllable by the computing device, the computing device configured to receive and/or transmit instructions to/from the data communication means. The lighting device may be capable of outputting light have various effects, or may emit notifications to a user.

Abstract: The present invention relates to a method of providing authorisation for a cooperation between a first object and a second object in a software environment, the method comprising the steps of: identifying at least one further object that is owned by an owner of the first object, and which has the approval of the owner to engage in the cooperation; identifying the second object; and allowing or denying the cooperation based on whether the second object is one of the at least one further object, thereby providing authorisation for the cooperation.