Macworld Apple looks set to join other streaming TV providers by adding a tier to Apple TV+ that includes advertising. What’s less clear is whether customers will have the option to pay less and watch commercials, as is the case with Netflix and Disney, or if Apple will choose the route taken by Amazon and request that those who don’t want to watch ads pay more. The latest evidence that Apple is investigating the practicalities of introducing ads on Apple TV+ comes via The Telegraph (subscription required), which reports that Apple has been meeting with the U.K. ratings agency Barb to look at …