IS this a marketing stunt, an elaborate hoax or a bizarre attempt by one of the world's biggest food producers to protect an iconic breakfast cereal from imitators? The British PR office for Kellogg's claimed on its Twitter feed today that it has succeeded in etching its brand into individual corn flakes so they stand out against any copies. - Matt G

I vote for marketing stunt. - Matt G

I second that vote... all agreed... motion passed! - travispuk

Trying to match it with vegemite / kraft! - Matt G