But why is Bill Keller picking on Twitter? I can think of at least 10 things off the top of my head which are easily more to blame for the death of intellect. For example,
1. Spending too much time with one's children. In our utopian past, multiple generations raised our children, freeing us to commune with eachother, engage in political organizing, and become economically literate. Now I spend a solid 6 hours of the day discussing Star Wars and sharks. Critical faculties: DOA.
2. The length of professional sports' seasons. WTF hockey and basketball? Go away.
3. talk radio
4. laundry. Have you noticed how much there is, and how the clean stuff never gets folded?
5. video games*
6. MTV*
7. bridge, canasta, Trivial Pursuit, Settlers, etc. Basically any board game that grown-ups will meet to play.
8. Email*
9. matching our shoes to our bags
10. the casinos (basically pathological #7)
* These are pastimes which once wasted huge hours of my life, and no longer do, except for video games, which have migrated through every platform I've used. You can read about it in my autobiography: From Frogger to Tetris to Farmville to Cut the Rope: One Woman's Journey through Non-Violent Videogames.
Anyway, my point? Keller is sounding an alarm that has been sounded so many times that no one really believes it or cares. This too shall pass. Twitter will just get absorbed and shelved in its rightful place in the world, and people will be roughly as smart and as stupid as we've ever been.