Almost everyone in ecom is running every ad network integration they can, no matter the source of traffic.
So if you click a Facebook ad, load a website, enter your information/checkout ALL of your information goes to every other network they integrate with.
You might never use TikTok, you might have every Facebook domain blacklisted, but when you clicked on a Google search "result" (ad) and checked out everything about your order was sent to meta/tiktok/applovin/400 other "networks" via S2S APIs.
Until this is made illegal, the incentive structure will ALWAYS push marketing departments to do this.
Almost everyone in ecom is running every ad network integration they can, no matter the source of traffic.
So if you click a Facebook ad, load a website, enter your information/checkout ALL of your information goes to every other network they integrate with.
You might never use TikTok, you might have every Facebook domain blacklisted, but when you clicked on a Google search "result" (ad) and checked out everything about your order was sent to meta/tiktok/applovin/400 other "networks" via S2S APIs.
Until this is made illegal, the incentive structure will ALWAYS push marketing departments to do this.