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Heat it & eat it! Hot soup at the press of a button. © Hensen
Farewell to soup powder. Innovative technologies heat up meals without adding water. © besser_essen, fotolia.com
In 2001 Nestlé developed a self-heating canned cup of coffee. However, after a test run the product never actually reached the market. Photo: Nescafé Original Hot When You Want. © lukewhite.prosite.com
Hot dog from a can. © hotcan.com