Cool site. I like this one http://www.antiyawn.com/stealmyidea/socialnewstime.jpg against the eternal september.

Didn't pg do this and found it made no difference in the quality of the posts?

it seems that he actually types his posts on a typewriter and scans

Typewriting has a visceral pleasure to it (correction tape and all) that no MacBook will ever come close to. I think this appeal to the visceral is why sometimes I will just pick up my notepad or find a napkin to brainstorm and avoid the iDevices.