Some people really get off on the finite details of grammar and design. The people at Slate thought that declaring war on 2 spaces after a period was exciting enough to post an article about. And then re-posted it 2 years later. To mark the anniversary. Old typesetter rule which carries over into modern technology, but doesn't matter enough to merit debate. Always err on the side of ease of readability. I read it . You don't have to. (Dullsville!!!) And nowhere is there an actual coherent argument for why you should never ever do it. As a User Experience professional, you should always choose what is easiest to read and what is easiest to implement. If it's ingrained in your brain by now, don't stress over it. Even if it were to become a war between the One Spacers and the Two Spacers, we can all think of more important things to fight over. Like the use of the word "ain't". It is not used formally, but is considered "ac...
UX, CX & What Your Audience is Really Seeing