At the beginning of the year, my friend Donna gleefully showed me the Jawbone UP her husband gave her for Christmas. It’s a really cool device, and I couldn’t wait to get my hands on one. In fact, I bought one on the way home that afternoon. It wasn’t long before a few more people joined us. The UP has a social networking component built in as a way to keep people motivated. The terrific thing is that we’re in [...]