[youtube=http://www.youtube.com/watch?v=UdSI-eBkygk] Google has introduced a new feature in your gmail account that lets you make VoIP phone calls to landlines and mobile phones. This calling service, available for US Gmail users, it integrates it with the google talk chat app that you can find on the left-hand sidebar in gmail. So if you have a Gmail account, so ahead and give it a try.
Difficulty Level: Easy
Video from CnetTv