I think the idea is that you won't even leave the Google page at all, they want to keep you on their site and serve you their ads instead of sending you to someone else's site and giving someone else that sweet sweet ad revenue.
I think the idea is that you won't even leave the Google page at all, they want to keep you on their site and serve you their ads instead of sending you to someone else's site and giving someone else that sweet sweet ad revenue.