LLMs applied to ads will be powerful and scary.
LLMs can do qualitative insight at quantitative scale.
When applied to "ads" on top of billions of users' intimate context, that analysis and manipulation could be so subtle no one knows it's happening.
That's an unprecedented amount of dystopian power.
Not just mass surveillance, not just the scale of mass media, but the power of precision targeted individual manipulation, all in one.
It's impossible for any single entity to have that power without being corrupted by it, no matter how pure their intentions.