Elias

@Ms. Billie M. Spaight They belong to the Commonwealth, and as such they share the King as a figurehead, but Canada is still an independent country and definitely not part of the United Kingdom.

@Bill in Yokohama A quick way to gauge the reaction to a tweet (or other kind of post made on a similar site) is to look at the ratio of likes to shares to comments. A very controversial or polarizing statement will generate more comments than likes, which is slangily referred to as "getting ratioed".

@Chris It couldn't have been GUESSTIMATE since "guess" was part of the clue for 12D already.