Sorta like online telephone. It's really cool. It's free to talk there if both receivers have Skype. You'll have to dial the telephone number if one your receiver doesn't have Skype. It's downloaded from the internet. I'm not sure exactly where you can get it. My mum downloaded it. Perhaps you should look on Google...
It's not a matter of being rich or poor. You have a computer and you have the internet too, Annie. Then you can download it. There's no cost involved. Everyone who come here can download it, because you just need a computer and the internet.