It may be limited to the web ecosystem, but I've read a lot of those sentences lately, where each word is followed by a period. Examples: Oh. My. God. Best. Job. Ever. No. F***ing. Way. ...
This isn't a pure English question, but it is about writing style: Sometimes entities that aren't words end up being in sentences. I know that when mathematical expressions are inline as follows: ...
Possible Duplicate: Where does the period go when using parentheses? Which of the following should I use? Are there any exceptions to the rule? I enjoy breakfast (sometimes). I ...