Chocolate began producing chocolate in 1862, after buying out the Tuke family business. Cadbury was manufacturing boxed chocolates in England by 1868. In 1893, Milton S. Hershey purchased chocolate processing equipment at the World's Columbian Exposition in Chicago, and soon began the career of Hershey's chocolates with chocolate-coated caramels. Several types of chocolate can be distinguished. Pure, unsweetened chocolate, often called "baking chocolate", contains primarily cocoa solids and cocoa butter in varying proportions. Much of the chocolate consumed today is in the form of sweet chocolate, which combines chocolate with sugar. Milk chocolate is sweet chocolate that also contains milk powder
Aero (chocolate) Strawberry flavour and a new variation of a Caramel Aero. While bars were (and still are) produced with chocolate and a liquid caramel, the new Caramel Bubble Bar consists of a Caramel flavoured white chocolate centre with a milk chocolate coating. Japan has produced a number of unique Aero flavours, among them Vanilla Milkshake, Hot Milk, Green Tea and others. They usually consist of a flavoured, coloured chocolate centre and outer milk chocolate layer. Aero Cocoa (plain, Green Tea and Strawberry flavours) is also sold in Japan. Released in 2006, the Aero Vanilla Yogourt flavour was released only in Canada.