The targeting capabilities are limited, at least on the free setup.
You can as well call landlines and mobile phones at really cheap per minute rates.
Also a plus is that Windows Live Messenger and Yahoo Live Messenger now let you directly connect with buddies who use either tool.
The more conversations you have, the smarter it gets.
And for whoever it is out there requires that functionality: our hats are off to you.
Start a video conversation within minutes with a webcam.