the two brothers started to argue about future of their cereal. john wanted it be part of his health center only, while will wanted to start a cereal company. this argument turned brother against brother, and they stopped working togerther. in 1906, will opened his own cereal company , called the toasted corn falke company,and started to sell corn flakes. by 1907, his company was producing 2,900 ceses of cereal every day. will increased sales of his cereal all the time, spending millions on advertising