I'm not a company, and besides four comments on HN, there's been over 400 people sharing a single tweet to get access to the HTML version of the book. Consider

I'm not a company, and besides four comments on HN, there's been over 400 people sharing a single tweet to get access to the HTML version of the book. Considering that I'm giving five books away entirely for free, asking for a single tweet isn't that high of a bar, to be honest. I don't mind a few people being annoyed by it, particularly because I can point those people to GitHub and be done with it :)