Full fathom five thy father lies:
Of his bones are coral made:
Those are pearls that were his eyes:
Nothing of him that doth fade
But doth suffer a sea-change
Into something rich and strange.
-William Shakespeare, The Tempest

And just when we were getting comfortable.

Via the couldn't-be-more-aptly-named Sea Change comes this fabulous chart of different online activities by age group.

Take a look at that thing.

While "Collectors" are strikingly distributed throughout the population curve, there's an amazing phenomenon in every other category of engagement:

Under-27s are qualitatively more participatory than everyone else, even their immediate elders.

You'd probably expect folks born in the Truman Administration to rock the geek a little less than the Wii-implant generation. No surprise, that.

But across the board, half of the dropoff from "Generation Y" to "Older Boomers" occurs between ages 26 and 27.