[55555]

I think their USP was contextuality, no?

[brador]

The contextuality came later once they had built out the backend systems and proven the core idea worked.

[Retra]

I would say no, but then, everything advertisers say works seems to have the exact opposite effect on me, so what do I know...

I mean, the last thing I want out of ads is targeting. Nobody needs to tell me to buy things I already like.