#Hashtag or #Octothorpe

Young people call them hashtags, but they are really pound signs or number signs. Or more technically, octothorpes.

I never heard of an octothorpe (or octothorp or octatharp or octatherp) until we were having supper one night. Seems that my kids know lots more than me. About seemingly everything. Or at least everything you can find on the internet. Which seems to be just about everything in the universe. (It is mindboggling thinking that the universe could be contained on the internet.)

At a...