I imagine this would be the most effective split-up.
If the ad business is required to let other search engines compete on the same terms as Google, it will remove the largest barrier to entry for small companies on search.
If the ad business is required to let other search engines compete on the same terms as Google, it will remove the largest barrier to entry for small companies on search.
Splitting monopolies always come with extra strings attached, and this is a obvious one you can expect to be there.