Despite making his Dive into HTML5 book free online, people are still filling Mark Pilgrim’s coffers with cold hard cash for hardcopy:

I write free books and people buy them. It works out surprisingly well.

Hey e-book industry, listen up. We’ll still pay for hardcopy if your book is any good, so how about charging a lot less for the unshareable-DRMd-device-dependent-untactile e-copy.

Edit 2013.02.04: The links above are dead now due to Pilgrim’s ‘resignation’ from the web. Here’s a mirror of the HTML5 book.