A slot is a narrow opening, especially one for receiving or holding something, such as a key in a lock or a slit for a coin in a machine. It is also used to refer to a position in a group, series, sequence or other arrangement. Gamification is a technique that introduces game elements in […]

A lottery is a game in which participants bet money on a series of numbers or symbols that will be selected by chance in a drawing to determine winners. The winner(s) receive(s) a prize or multiple prizes, usually cash. The lottery is often run by states and other public organizations as a way of raising […]