The impact on google is non-zero, but much less significant. A google search ad “self targets” based on keywords. Facebook relies a lot more on device identifi

The impact on google is non-zero, but much less significant. A google search ad “self targets” based on keywords. Facebook relies a lot more on device identification and audience targeting. The return on ad spend on facebook campaigns has tanked (anecdata from companies I know that are pulling back on FB spend and ramping elsewhere - someone correct me if there is actual data that says otherwise)