Tweeking website screenshot
Designers—generally—dislike using lorem ipsum as a content placeholder, and for good reason as it doesn't work. But there are still cases where placeholder content is needed. Tweeking is a great way to get readable content for place holding duty. It can also be quite funny depending on who's tweets you choose to use!

Its creator, Nathon Ford, has written an excellent article outlining its existence: Lorem Ipsum Dilutes Design.