For desktop: Search engine affiliation deals became increasingly lucrative (partly dependent on the market), especially for the defaults (in both the search eng

For desktop: Search engine affiliation deals became increasingly lucrative (partly dependent on the market), especially for the defaults (in both the search engine bar and the search box on the new tab page, which were sold separately). The other major source of income for desktop was the default Speed Dial settings. There's a fair overview available in the quarterly reports.