Lemme give you an example:
http://www.yahoogle.com/
Please take some of your time to visit this website in order to see my proof about Google and it's power.
Here are the steps:
1. Go to the Site
2. Go to the Homepages of http://www.yahoo.com/ and http://www.google.com/
3. Click the Logo of Yahoo
4. Do the same with the Google Logo
5. There's my proof
This is all proof about how Google is the most powerful Search Engine ever.