I think on a day-to-day basis, what attracts us in coexisting with another living, evolving thing, is that you have a relationship that's different than with a piece of furniture. We experience the cycle of life through these other beings.

I've loved some gadgets that were not worthy, and I've loved gadgets that I would have loved more if I had waited for their developers to figure out how to really make them work, but I loved them anyway.

I wonder what book signings will be like when most of the books we read are electronic. Will authors sign something else? A flyer, perhaps? A special kind of card devised for the purpose?

You may never learn the names of any of the people you talk to in a dog park, even after many, many hours spent there with them, and many hours of conversation. But if - knock on wood - anything should ever happen to your dog, these nameless non-strangers will rally, sympathize, offer to help, and hold your hand. I know this from experience.

I had never considered using a hashtag anywhere other than on Twitter, but now I'm inspired. Text messages have always seemed a little flat to me, so the murmuring Greek chorus of a hashtag might be a perfect way to liven them up and give them a bit of dimension.

Sometimes, the Internet can feel like a middle-school playground populated by brats in ski masks who name-call and taunt with the fake bravery of the anonymous. But sometimes - thank goodness - it's nicer than real life.

I have no idea how to get in touch with anyone anymore. Everyone, it seems, has a home phone, a cell phone, a regular e-mail account, a Facebook account, a Twitter account, and a Web site. Some of them also have a Google Voice number. There are the sentimental few who still have fax machines.