Yes, I am. And if you plan to access content on their site, it is not unreasonable that they want you to create an account to do so. I mean, why not...it "is" free. Although I believe a direct link has since been posted here.
Thanks, that explains why I couldn’t access the pdf.
Why not subscribe? Because I don’t spread my email address around on the internet unless I see low risk and a clear value exchange.
It’s not about the service being “free.” It’s about sites selling email lists. A privacy concern.