Both "search" and "everything else" are primarily advertising revenue[1], and advertising spend is always heavier in Q4 because of (Black Friday and) Christmas.
[1]: As the page says,
- "Search" means "ads on Google Search and on other Google properties such as Gmail, Maps and Google Play"
- "Everything else" means "YouTube ads, subscriptions and devices, Google Network and Other Bets".
[1]: As the page says,
- "Search" means "ads on Google Search and on other Google properties such as Gmail, Maps and Google Play"
- "Everything else" means "YouTube ads, subscriptions and devices, Google Network and Other Bets".