Why do they call it Hot Dog?

I never thought of the reason why its called a Hot Dog… Anyone know why?

The Straightdope on hot dogs.

Also, Why do hot dogs come 10 to a pack while buns are 8 to a pack?

Truly Cecil (and Ed) knows everything.

Since Barry Popik’s name has been brought up here, anyone interested in his continuing groundbreaking work on word origins can now visit his website http://www.barrypopik.com/ .

His article on hot dog is down under the food section.