Google is one the best i can say excellent search engine. Google has solves maximum problems in information of any field if input information data are correct. I appreciates google. Google made world communication and information very easy and made human life comfortable.
No, it is free to use!
Free of cost
A check verification system can vary from bank to bank, but most use a variety of watermarks, ID checks and network communications to ensure the validity of a check.
You can't - it's a security feature to protect the phone's use should it be stolen.
Google Buzz is free. All you need to do is to create a Google account.
Ahscrump!
You can use Google Adsense and Google Adwords. Advertising on GMail would cost you heavily.
Yes, you can use a picture of your ID for verification purposes.
Free Zone costs nothing. The premise of Free Zone is that if you use Google mobile services, such as Google, Gmail or Google+, it will cost the end user nothing.
If I were a classroom teacher, I'd use Google Docs because of their price performance: No cost, and adequate functions for use in the classroom.
Google is just a website for the web on the Internet. It cannot be directly on the system for it's use.
It is free if you use a sites.google domain.