Google introduce 2- way SMS in Gmail

Hello Readers.. Google has introduced one more new feature in GMAIL. Now you can Send SMS messages to any US cellphone no. Just click on Settings, and go to the Labs tab. Scroll down until you see "Text Messaging (SMS) in Chat" and select Enable and Save Changes.Well this service you can use only in Internet Explorer 7.0+, Firefox 2.0+, Safari 3.0+, and Google Chrome. You won't see a 'Labs' tab