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IP address, or if you have any shared accounts you could have a cookie identifying you as the same user. Ads also target connections of people who're interested
by 1812Overture 9y ago
IP address, or if you have any shared accounts you could have a cookie identifying you as the same user. Ads also target connections of people who're interested in a product so you could get the ad from being friends/following someone who watched the videos. The ads will find you.
- crsmith 9y agoEven if FB/Instagram knows my wife and I share an IP address or there were both FB/Instagram and Google cookies on the same browser where I searched for Meow Mix, how would Instagram know my Google/Youtube history?
- 1812Overture 9y agoThat's easy. The ad network that serves you ads on YouTube also serves ads on Facebook. They have a profile of you that connects your facebook and google accounts.