Dade Hayes Finance EditorAs streaming becomes ever more ubiquitous, new findings from Leichtman Research Group suggest consumers are more willing to stack up subscriptions to multiple services.In its 14th annual study of streaming, using a sample of 1,990 households, the company found that 78% of them have a subscription to Netflix, Amazon Prime or Hulu, up from 69% in 2018 and 52% in 2015.The increase is even steeper in terms of homes subscribing to more than one of the three, with 55% now in