Let's use this app to stay connected with each other while in Rome, or any where else long distance. It's free and you can call anyone else who has this app on their phone for free. You just need a WiFi connection to make the call. After the first year it costs ninety nine cents/year.
Go here to learn more: https://www.whatsapp.com/
It's a lot like Viber. I have both. This was recommended by Phyllis Stephens, a fellow exhibiting artist, who is very happy with this service.
Please share any tips you can think of to make this exhibition campaign a success.