YouTube finally integrates its ad-free subscription offering with its Kids app

YouTube Red, the subscription service released last summer, is finally being integrated with YouTube Kids. The Kids app already lets parents plunk their kids in front of the screen without having to worry that their little ones will stumble onto some unsavory content. With the addition of Red, I can now offline some videos for a long car drive, and hand my boys a smartphone knowing they won't be exposed to ads for junk food that would rot their little teeth.
YouTube hasn't released any numbers y