Social media is itself as temporary as any social gathering, nightclub or party. It's the people that matter, not the venue. So when the trend leaders of one social niche or another decide the place everyone is socializing has lost its luster or, more important, its exclusivity, they move on to the next one, taking their followers with them.

Children are being adultified because our economy is depending on them to make purchasing decisions. So they're essentially the victims of a marketing and capitalist machine gone awry.

On Facebook, your past comes into your present when someone from your second grade class suddenly pops up to send you a message, and your future is being manipulated by what Facebook knows to put in front of you next.

The iPad - contrary to the way most people thought about it - is not a tablet computer running the Apple operating system. It's more like a very big iPhone, running the iPhone operating system.

In spite of my own reservations about Bing's ability to convert Google users, I have to admit that the search engine does offer a genuine alternative to Google-style browsing, a more coherently organized selection of links, and a more advertiser-friendly environment through which to sell space and links.

We are looking at a society increasingly dependent on machines, yet decreasingly capable of making or even using them effectively.

Computers don't kill books; people do.