Could you imagine going a full day without your iPhone or BlackBerry? What would it be like if you couldn’t check Facebook and see what your friends had been up to? Or if Twitter was temporarily out of action and your feed of 140 character messages were eliminated from your day? What if the newspaper…

We are a nation awash in data smog. This is more than just information overload — it’s not just that there’s too much information out there for one person to adequately encompass, it’s that there’s too much data out there to even make out the information clearly, let alone to evaluate and act on that…

This is the fifth part of a 12-part series I will be posting into January 2009, examining the current understanding of productivity and where the concept might be heading in the future. I invite Lifehack’s readers to be an active part of this conversation, both in comments here and on your own…