Merlin Mann points to a nice piece on the fragmentation of attention: A live BlackBerry or even a switched-on mobile phone is an admission that your commitment to your current activity is as fickle as Renée Zellweger’s wedding vows. Your world turns into a never-ending cocktail party where you’re always looking over your virtual shoulder for a better conversation partner. Recently I facilitated a meeting in which there were so many BlackBerries, I felt like making a pie. Some people had BlackBerries AND cell phones, and both were on. What struck me was actually how the fragmentation of the room’s …