The present invention relates to a computer-implemented method of providing a game within a communications network comprising a plurality of devices and at least one server. The personal cooling device is designed to be placed in close proximity with the user’s groin and may be worn under the clothes. The carrying case may alert the user by activating one or more of its user interface elements. The ACL cache then receives, from an authenticated user, a request for the rights. The present invention relates to systems for delivering fragrances to a situs, and to laundry detergent compositions, fine fragrances, personal care and hair care compositions comprising said systems.