I do remember the moment when, as a child, I realized that the things we call 'TV shows' are really just the stuff that gets put between commercials. Later, I came to see that the kinds of things that get on 'free' TV are shows that help sell products.

Google is in a position where it doesn't even have to strive to become a hip, conscious choice. Brands are temporary fads. Functionality is forever. Google just has to 'be,' and everyone will end up there sooner or later.

Online advertising may not be much more successful than an old double-barrel, but - like a good spray of buckshot - it makes up for its lack of accuracy with sheer volume. There are 10 unique ads listed with every Gmail message in your queue, each tied to the message content. And a paying sponsor.

Your next SMS will probably be around longer, and remain more legible, than your tombstone. For, unlike your tombstone or even your mortal coil, your texts may be worth something.

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.

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.

Overwinding happens when hedge funds destroy companies by attempting to leverage derivatives against otherwise productive long-term assets.