adcelannotate = {"mobilepaywallcategory" : "MOBILE_PREM-LIFE_ENTERTAINMENT","nativepaywallcategory" : "NATIVE_PREM-LIFE_ENTERTAINMENT"};Millennials aren't a monolithic group when it comes to watching movies, a new study finds. The catchall term for the denizens of Generation Y usually encompasses people born between the early 1980s to the late 1990s — a wide age gap, whose members exhibit widely different theater-going habits.