An ordering system comprising: a plurality of electronic table mats, such as a plurality of beverage coasters, and a user terminal comprising a wireless communication device for communicating with a wireless communication network; each said electronic table mat comprising: a body having a first face, for placing onto a support surface, and a second face, onto which an item can be placed; and an electronic system supported by the body, the electronic system comprising: a display device comprising at least one display output element, a data processor with access to data storage and for controlling a visual output displayed by the display device; a wireless communication device for communicating with a wireless communication network; an input device comprising at least one input element; and a power device; each said electronic table mat configured for two-way communication with said user terminal via said wireless network, with each said electronic table mat being associated with a unique identifier; the ordering system being characterized in that it is configured to allow each said electronic table mat to be managed from the user terminal, the ordering system allowing remote content management of each said electronic table mat, wherein said remote content management allows content to be presented by each said electronic table mat to be added, modified or deleted using said user terminal and said unique identifier. a plurality of electronic table mats, such as a plurality of beverage coasters, and a user terminal comprising a wireless communication device for communicating with a wireless communication network; each said electronic table mat comprising: a body having a first face, for placing onto a support surface, and a second face, onto which an item can be placed; and an electronic system supported by the body, the electronic system comprising: a display device comprising at least one display output element, a data processor with access to data storage and for controlling a visual output displayed by the display device; a wireless communication device for communicating with a wireless communication network; an input device comprising at least one input element; and a power device; each said electronic table mat configured for two-way communication with said user terminal via said wireless network, with each said electronic table mat being associated with a unique identifier; the ordering system being characterized in that it is configured to allow each said electronic table mat to be managed from the user terminal, the ordering system allowing remote content management of each said electronic table mat, wherein said remote content management allows content to be presented by each said electronic table mat to be added, modified or deleted using said user terminal and said unique identifier. a body having a first face, for placing onto a support surface, and a second face, onto which an item can be placed; and an electronic system supported by the body, the electronic system comprising: a display device comprising at least one display output element, a data processor with access to data storage and for controlling a visual output displayed by the display device; a wireless communication device for communicating with a wireless communication network; an input device comprising at least one input element; and a power device; each said electronic table mat configured for two-way communication with said user terminal via said wireless network, with each said electronic table mat being associated with a unique identifier; the ordering system being characterized in that it is configured to allow each said electronic table mat to be managed from the user terminal, the ordering system allowing remote content management of each said electronic table mat, wherein said remote content management allows content to be presented by each said electronic table mat to be added, modified or deleted using said user terminal and said unique identifier. a display device comprising at least one display output element, a data processor with access to data storage and for controlling a visual output displayed by the display device; a wireless communication device for communicating with a wireless communication network; an input device comprising at least one input element; and a power device; each said electronic table mat configured for two-way communication with said user terminal via said wireless network, with each said electronic table mat being associated with a unique identifier; the ordering system being characterized in that it is configured to allow each said electronic table mat to be managed from the user terminal, the ordering system allowing remote content management of each said electronic table mat, wherein said remote content management allows content to be presented by each said electronic table mat to be added, modified or deleted using said user terminal and said unique identifier.