Changes

Corn flakes is a cereal invented by Dr. John Kellogg and his brother as a healthy food for patients, which Dr. John Kellogg later marketed and sold to the public.

'''Corn flakes''' is a cereal invented by Dr. John Kellogg and his brother as a healthy food for patients, which Dr. John Kellogg later marketed and sold to the public.

The company's experience during the [[Great Depression]] is a subject for teaching about [[economics]].<ref>http://www.biography.com/classroom/study-guides/the_kellogg_brothers_corn_flake_kings.jsp</ref>

The company's experience during the [[Great Depression]] is a subject for teaching about [[economics]].<ref>http://www.biography.com/classroom/study-guides/the_kellogg_brothers_corn_flake_kings.jsp</ref>