I still use when writing headlines, to avoid breaking apart 2 key words that should stay together. I also use the non-breaking hyphen for this, which is a different char than the regular hyphen or the em/en dash. > 1x1.gif let you push elements all around the page effortlessly. To this day it is the only way to vertically center elements If you can think of another way to vertically center, I’d like to hear it…
Yes, this is the correct usage of . That's much saner than using it as a spacing tool.