As Dr. Varian recognized, Search Ads in the United States compose a relevant market. Search Ads compose a distinct advertising channel.
Search Ads are uniquely able to respond to a consumer's real-time, self-expressed declaration of intent, whereas other ad channels are not.
Search Ads' ability to target consumers' real-time intent is a significant difference between Search Ads and other types of ads.
"SearchAds are fundamentally different than DisplayAds because they are targeted to the user's query." - Adam Juda, Google's VP of Ads
Collection
[
|
...
]