I wonder how comprehensive Google's agreement with Nestle is? Today's marketing stunt is fun, but this is an OS name - it is going to live on in history for a

I wonder how comprehensive Google's agreement with Nestle is? Today's marketing stunt is fun, but this is an OS name - it is going to live on in history for a decade or more, it is going to be checked into the android git repository. There will be reviews calling "KitKat" a smoking turd, people trashing and trolling it all over the internet. Tim Cook will probably get up on stage and lay into it at some point. People will be making icons and fan art based around it, and pulling all kinds of stunts that would normally catch the ire and get a swift cease and desist from a major company like Nestle. So has Google negotiated with Nestle that they are not going to suddenly get "uncool" with this and go with the flow? If not, fun as it is, I feel like this could be something that ends badly. Proprietary trademarks and open source don't generally mix well, and when they do you need pretty robust agreements in place.