Ads featuring you instead of an actor - do you want to see how well these clothes are fitting you? How would you like to be slim again? Here is your hair back! This supplement makes you look like the Terminator! Here is a regular day at your new property! All featuring you!
If you think this won't attract huge investments from VCs, you are likely too optimistic.
I'm thinking more "Google builds your face model in exchange for some cool messaging app" -> "Google allows advertisers to give Google some clothes models (as in 3d models)/etc to show on the user's actual body with their face"
If you think this won't attract huge investments from VCs, you are likely too optimistic.