Well I'm now signed up to SKYPE - yet another new thing for me to master.
You need a PC/Mac + internet broadband + built in microphone + web cam. If you have all these then you can have free video and voice calls to other SKYPE users.
We do not have internet connection in Spain - it is too expensive for the amount of time we are actually there. However we'll be able to go to the bars with free WiFi - take our laptop or iPod Touch and get in touch with our family and all for the price of a few beers.
Sounds good !!