The good old days when you could step outside the front door and shout a dinner countdown to your kids are pretty much gone forever. Nowadays, a shout-out isn't a family-friendly bellow that grub's on the table. When you want the latest on your cousin in Miami or an update on how Great Aunt Maud's doing at the retirement home, your best bet may be to hop on the information superhighway for updates about friends and family at a distance, too. Let's see how much you know about the current stats (and acronyms) of modern family communications. If you're texting prowess is legendary and your Facebook wall is always current, this should be child's play.