A method for an aerosol provision device, the method comprising: operating a wireless communication interface of the aerosol provision device in a listening mode; during operation of the listening mode, receiving data from the wireless communication interface of an other aerosol provision device; storing the received data in a memory of the aerosol provision device; creating, using the wireless communication interface of the aerosol provision device, a connectionless-state advertising packet that includes information relating to an identity and advertising state of the aerosol provision device; transmitting the advertising packet via the wireless communication interface; receiving a connectionless-state request packet from a remote wireless device, via the wireless communication interface; responsive to receiving the request packet, creating, using the wireless communication interface, a connectionless-state response packet; and transmitting the response packet via the wireless communication interface, wherein at least one of the advertising packet and the response packet includes the received data from the memory and data generated by the aerosol provision device and stored in the memory; wherein the method is characterised in that it further comprises: determining, prior to storing the received data in a memory of the aerosol provision device, a number of aerosol provision devices from which data has been previously received and stored in the memory of the aerosol provision device; and if the number of aerosol provision devices from which data has been previously received is greater than or equal to a predetermined number, deleting at least the oldest data prior to storing the data received from the other aerosol provision device. operating a wireless communication interface of the aerosol provision device in a listening mode; during operation of the listening mode, receiving data from the wireless communication interface of an other aerosol provision device; storing the received data in a memory of the aerosol provision device; creating, using the wireless communication interface of the aerosol provision device, a connectionless-state advertising packet that includes information relating to an identity and advertising state of the aerosol provision device; transmitting the advertising packet via the wireless communication interface; receiving a connectionless-state request packet from a remote wireless device, via the wireless communication interface; responsive to receiving the request packet, creating, using the wireless communication interface, a connectionless-state response packet; and transmitting the response packet via the wireless communication interface, wherein at least one of the advertising packet and the response packet includes the received data from the memory and data generated by the aerosol provision device and stored in the memory; wherein the method is characterised in that it further comprises: determining, prior to storing the received data in a memory of the aerosol provision device, a number of aerosol provision devices from which data has been previously received and stored in the memory of the aerosol provision device; and if the number of aerosol provision devices from which data has been previously received is greater than or equal to a predetermined number, deleting at least the oldest data prior to storing the data received from the other aerosol provision device. determining, prior to storing the received data in a memory of the aerosol provision device, a number of aerosol provision devices from which data has been previously received and stored in the memory of the aerosol provision device; and if the number of aerosol provision devices from which data has been previously received is greater than or equal to a predetermined number, deleting at least the oldest data prior to storing the data received from the other aerosol provision device.