Do you go completely off the social grid, just use your blog, video chat, or how do you keep in touch?
I tended to use Skype to videochat with close family and friends, but not being the biggest fan of video-chatting, my preferred method of keeping in touch with folks at "home" or around the globe was through my blogs and Facebook. I barely used a phone -- which I did not miss in the least (paying about $10/month) and occasionally wrote a long email.
Like Michelle I rarely use a phone (only have it for emergencies when getting lost!) so mainly fb and through the blog. Before my daughter was travelling with me we used to skype a couple of times a week to catch up but it's pretty cool to be off grid and just enjoy.
In contrast, I often use my phone, at least when the rates are reasonable. I also use email. I'll also happily go off grid for weeks at a time, preferably somewhere deep in the wilderness.
I rarely use my phone. I tend to use emails, and my postings on here. Most of my family does subscribe to my blog. mostly for when I post they get an email and they know I'm alive. the odd email I send out if something important comes along. Or if there is a change in my travel plans. if I decide to go somewhere alone I tend to make a point of using emails a bit more frequent than if I am in a group settings.
Facebook almost always. I find that blogs are something we write up later, often when we are back. Skype and videochatting are good for catching up with family when we are living abroad, but we rarely do it when actually travelling.
We do not take phones when we travel so we communicate via email and Skype.
Recently we started using Skype as we found wifi everywhere now. Earlier we used to buy a local phone card and call which sometimes turned out to be VERY expensive.