Brains are tricky and adaptable organs. For all the 'neuroplasticity' allowing our brains to reconfigure themselves to the biases of our computers, we are just as neuroplastic in our ability to eventually recover and adapt.

The cloud is still really just a bunch of servers, owned by someone or something, whose decisions and competence must be trusted. This applies to everything from Google Docs to Gmail: Putting our data out there really means putting it 'out there.'

The true end users of Facebook are the marketers who want to reach and influence us. They are Facebook's paying customers; we are the product. And we are its workers. The countless hours that we - and the young, particularly - spend on our profiles are the unpaid labor on which Facebook justifies its stock valuation.

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.

Remember when those CD-ROMs from AOL came in the mail almost every day? The company was considered ubiquitous, invincible. Former AOL CEO Steve Case was no less a genius than Mark Zuckerberg.

With the DVR, I was mostly writing about it as a good thing in giving us the choice of when and how to watch things. But there's what we lose in the bargain, which is the collective spectacle. 'Did you see Jay Leno last night?'

Digital media are biased toward replication and storage. Our digital photos practically upload and post themselves on Facebook, and our most deleted e-mails tend to resurface when we least expect it. Yes, everything you do in the digital realm may as well be broadcast on prime-time television and chiseled on the side of the Parthenon.