With Copy Protection? Lots.
With the Danish Airforce? Well, they just bombed Afghanistan.
To avoid spam many websites make you fill out a CAPTCHA, or log in via an account at a corporation such as Twitter, Facebook, Google or even Microsoft GitHub.
I have chosen to use a more old school method of spam prevention.
To post a comment here, you need to:
1119using nntps (nntp over TLS).
lantern.koldfrontand post a follow up to the article.