"You might argue that an iPhone without connectivity is, well, an iPod, but its not. To state the (obviously overlooked) obvious - it is a phone without connectivity and that over time the ease and evolving practice of disconnecting fundamentally changes our assumptions of what we can expect from a phone, which in turn alters our expectations about the connectivity of other people." Jan Chipchase on pause buttons and understandings of what "social" means. Excellent.

"...the same topic kept coming up, over and over... you can think of it as an amalgamation of crowd theory, human terrain mapping, and social simulation. It is the science of groups; it is a new kind of quantitative political science."

"This article explores the practice of "beeping" or "missed calling" between mobile phone users, or calling a number and hanging up before the mobile's owner can pick up the call"

A perceptive and detailed analysis of the Dunbar Number - and why some of the hype around it is misguided.

"the strength of social contact between people cannot be measured by frequency or intensity; a better measure is the number of communication channels used by people" - I like Chris' ideas, but need to think a bit harder on them.