Is it time to retire brand vs performance as a model for ad investment? Key takeaways: "All media 'perform' over both the short and long term, but some have a greater carryover." Linear TV's long term multiplier is 3.3x, way above the 2.2x average of other media. - “That makes sense because video has an unrivalled ability to build memorability – which obviously translates into bigger long-term effects and the ability to change perceptions.” Paid Social, Online Display & Video are less efficient. - They hit diminishing returns faster and to plateau off, becoming less effective at relatively modest amounts. - "That’s partly because obviously, in those channels, we’re using all the data signals to find really precise, targeted audiences. That’s what their strength is. And those audiences are, by definition, finite and not as broad.” 58% of the profit effects from advertising happen after the first three months Generally, the scale of the advertising spend ...