One of the neatest gadgets I've bought in the last year is a high-def receiver to work with the EyeTV software. It plugs into a USB port on my Mac, and it receives digital high-def programming over the air.

I put it in my upstairs study where I've got a clear view of San Francisco Bay, and the reception is very very good. I get all the big networks this way, was able to record last night's episode of Lost in full HD fidelity, for example. Just for the cost of the disk space.

And the best thing is that I get a half-dozen different PBS broadcasts. I've recorded somegreat stuff. My favorite so far is a special from 1967 Monterey Pop festival. Wow. So many heroes of the rock revolution when they were young and dewy. I'm watching Grace Slick and the Jefferson Airplane singing one of their classics.

I forgot how optimistic those days were.

There's this moment where the camera moves to Mama Cass watching, studying -- in awe of Janis Joplin, performing Ball And Chain. There's art, and media, networks, and the future viewed through the lens of what's now relatively ancient history.

Scoble wrote the other day of technology so great that it made him weep. I know the feeling.