buy waec scratch card

 Scratch cards were invented by Jack Koza, a computer scientist and Daniel Bower, an expert in retail promotions. In when Jack Koza did his computer science, He became the 2nd person in the world to get the degree. The field was yet not very popular and in , he earned his Ph.D in Computer Science. He teamed up with Daniel Bowel in  and formed the Scientific Games Corporation and in , these Cards were introduced to the world. The company's first client was Massachusetts Lottery Commission. The lottery system earlier was by draw. The tickets were sold and the public  buy waec scratch card  had to wait for a period of many weeks to know the results. Koza and Bower analyzed the human craving for instant knowledge of the results and the scratch cards were thus, invented. To make the number selection random, Koza wrote an algorithm. Bower's contribution to the company was in the marketing side. He was an expert in marketing and used his know-how to promote the scratch card...