For a couple of years, there was nothing on the internet so simultaneously thrilling and terrifying as having your website hit the front page of Digg. Thousands of people, maybe tens of thousands, would immediately come to your site — and there’s a good chance they’d crash it in the process. Hundreds of commenters would debate the merits of whatever you’d created or published, pick fights with you and each other about it, and make you feel like the internet’s main character. At least for a few minutes, until something bigger and newer and more controversial hit Digg.com and everyone moved on.
In its early days, Digg was something like the homepage of the internet. Any user could submit a link, and then any other user could either promote...