[manigandham]

It'll hurt attribution but if Facebook can't do it then nobody can, so overall spend might not change significantly.

[fshbbdssbbgdd]

Apple can do it: https://searchads.apple.com/

Some would say this is the entire point of Apple blocking cross-app tracking.

[manigandham]

That's true, and it probably is. Or at the very least, Apple knows that app installs are still in demand and greatly helps the ecosystem.

[piggybox]

as well as Google