If you share with your circles, only your circles can see what you've posted. Extended circles includes people who are in your circles' circles. (Hope that makes sense!)
Circles are not present in Gmail but in Google plus. It is the social network provided by Google. Google+ has friends in your circles.
A muggle like you wouldn't be able to understand.
i am pretty sure there is no difference google it if you are not to sure
Google search - is a search engine. WikiAnswers is a forum.
In google play all apps are free
One there is not a difference can you still google stuff on both correctly ?
Yes. Google is the name for the company and product. Googleplex is the nickname for the location where Google headquarters is in California.
Just google map it
google it or bing bing it better
google it its the only way
Google chrome is a search engine while safari is a snack or corn snack
Google gives answers which are links to other websites. Answers gives you a direct answer.