Great essay "What the bubble got right" on useful positive learnings to take-away from the Internet boom-and-crash, by Paul Graham, who was a founder of Viaweb, a cool ecommerce hosting service acquired by Yahoo!, which became Yahoo! Store, which I found both liberating and frustrating in my time at Yahoo!. Paul's nevertheless a very, very smart guy.

Here's some snapshots from the history of Viaweb, one of the first-ever web applications (possibly the first.) The author's built his site using Viaweb - anybody who's used the Yahoo! Store interface will recognise the nav UI. How very late '90s!