The news that Dish Network has completed the transition of its meta data services from Gracenote to TiVo this week is the first evidence we have seen of an operator switching off Gracenote since the company was taken over by Nielsen late last year. The implication is that TiVo is approaching customers and saying, “do you really want all of your data being handled by an old dog like Nielsen, when we have all the new tricks?” TiVo has replaced Gracenote as the supplier of program information and image-based content for Dish Network’s linear TV services. Dish’s Sling Media has also integrated the TiVo Conversation service and last year signed a ten-year patent renewal license with old Rovi for its…