from Hacker News

Client did not pay? Add opacity to the body tag and increase it every day :)

by kleampa on 10/5/16, 9:48 PM with 1 comments

• by user5994461 on 10/5/16, 9:54 PM

  I think you mean "Client did not pay".

  Otherwise speaking. It's neat and simple. So simple that the client could very easily remove it (or have his 15 years old nephew who know his way around computers, remove it for him).