Rafael Enrique | Lightrocket | Getty ImagesNetflix's cheaper, ad-supported tier has amassed 40 million global monthly active users, the company said Wednesday.That's nearly double the 23 million figure the streaming giant shared in January.Separately, Netflix announced it would launch its own advertising platform and no longer partner with Microsoft for that technology. The tech giant will remain a programmatic advertising partner.Netflix introduced the ad-supported plan in November 2022 as part...