That “search and other” figure includes revenue generated on Google’s search properties, along with ads on other Google-owned properties like Gmail, Maps and the Google Play app store.
As you said, it’s hard to calculate an exact number. But if you think your search results are only worth $1/month, that’s up to you to determine. I know if I was an ad-broker or profiler, I’d pay more than $1/month/person as that’s valuable information, in my opinion. And Kagi is worth much more than that to me. Proton theorizes:
If Google Search market share is also 90% in the US, that’s over 274 million people using Google, and the company earns $393 per year from each of them.
That includes way more than search:
I couldn’t find a reliable source for a breakdown, so I’ll use Microsoft Bing statistics instead:
That last number is really close to my $1/month figure.
So something around $1/month range seems like a fair replacement for ad revenue for a search engine.
As you said, it’s hard to calculate an exact number. But if you think your search results are only worth $1/month, that’s up to you to determine. I know if I was an ad-broker or profiler, I’d pay more than $1/month/person as that’s valuable information, in my opinion. And Kagi is worth much more than that to me. Proton theorizes:
Ref: https://proton.me/blog/what-is-your-data-worth