To prove that it's possible to buy ads targeted on microphone audio. If this kind of targeting was really as widely available as the article implies, a journalist would be able to do it fairly easily and write an article about it.
But how would you know how the targeting was done? You place an ad and it gets a lot of clicks because it was targeted accurately (for example by using microphone recordings). You look into the dashboard and see a high click rate. What’s your story now?
echoangle|1 year ago