Google provide many services for users.You can send SMS messages to your contacts’ mobile phones using Gmail Chat. To do so from Gmail: Enter your contact’s name in the ‘Search or invite friends’ box in Chat, and select Send SMS from the box of options that appears to the right of your contact’s name. Or, if you already have a Chat window open for this contact, just click Options, and select Send SMS.In the dialog box, enter a phone number in the ‘Send...