Your email inbox is a bit like a Las Vegas roulette machine. You know, you just check it and check it, and every once in a while there's some juicy little tidbit of reward, like the three quarters that pop down on a one-armed bandit. And that keeps you coming back for more.

Our digital experiences are out of body. This biases us toward depersonalised behaviour in an environment where one’s identity can be a liability. But the more anonymously we engage with others, the less we experience the human repercussions of what we say and do. By resisting the temptation to engage from the apparent safety of anonymity, we remain accountable and present - and are much more likely to bring our humanity with us into the digital realm

As Apple continues to release new styles of netbooks, laptops, and even desktops with untold movie-watching and game-playing capabilities, I wouldn't be surprised to see the iPhone operating system running on them - and the Macintosh eventually becoming a thing of the past.

Virtual simulations allow post-traumatic stress disorder sufferers to re-experience the events that traumatized them, and then slowly desensitize themselves to their impact through repeated recreations involving not just sight and sound but even smell.

The outsourcing of our memory to machines expands the amount of data to which we have access, but degrades our brain’s own ability to remember things.

As a writer and sometime activist who needs to promote my books and articles and occasionally rally people to one cause or another, I found Facebook fast and convenient. Though I never really used it to socialize, I figured it was OK to let other people do that, and I benefited from their behavior.

It's also hard for people to contend with the difficult possibility that we are simply overadvanced fungi and bacteria hurtling through a galaxy in cold, meaningless space. But just because our existence may have arisen unintentionally and without purpose doesn't preclude meaning or purpose from emerging as a result of our interaction and collaboration. Meaning may not be a precondition for humanity as much as a by-product of it.