Google Knowledge Graph: Keeping Your Eyes (and Clicks) On Google
Posted 17 May 2012 - 10:46 AM
If users spend more time on Google.com, that's a happy bonus for Google, but the important thing is to ensure that Google remains the No. 1 starting point for search.
Posted 17 May 2012 - 07:15 PM
DuckDuckGo is a meta-SE; and, though initially self-funded, it is now partially funded by advertising. If it succeeds well enough, it will likely be sold to a for-profit venture.
Startpage. is not an SE at all, but simply a Google proxy.
Posted 17 May 2012 - 07:20 PM
For Google, those are intimately and inextricably intertwined, in that ad revenues account for over 85% of its total earning, and it is the latter which generates the former.