Google recently launched a service to recover your Google account password by SMS. It is not uncommon that people forget their passwords for countless number of web applications they use. But forgetting important passwords like those of your email accounts and bank accounts can lead to lot of troubles. So normally these applications have some features to help you recover your password like the "Security question" feature.
Google had taken a step forward and introduced a new feature to recover your password by SMS. All you have to do is to login into your Google accounts page and then select the 'Change Password Recovery Options' . Add your mobile phone number in the option provided and click 'Save'. That's all. Simple isn't it. (If you got doubts, take a look at the screenshot below)
Next time, when you forget your password , goto password-assitance page and enter your Username. You will receive a text message (SMS) with the recovery code.
To take a look at the official google announcement , visit Official Gmail Blog
Also , take a look at our guide to sending free SMS from your Instant Messenger/ Gtalk .