Google offered video chat feature in Gmail for quite sometime. Now Google added the same feature to iGoogle, from now you can access the video chat feature from your iGoogle page. With this feature added to the iGoogle you can chat with those who don’t actively use Gmail but use iGoogle as their home page.
To access the feature you need to install a video chat plugin which can be found here, if you are already using Video Chat in Gmail there is no need to install it again. This feature is not available to all users, it will be rolled out to all the users in the next few days according to Google.