[Popular Mechanics, February 1942.]
If you suspect that Sherwin Cody stepped out of the nineteenth century to ask this question: yes, he did. And he asked it again and again and again, with great success, enough even to be in Wikipedia.
11:18 a.m.: From an earlier, lengthier Sherwin Cody advertisement (Popular Mechanics, October 1930):
Many people say “Did you hear from him today?” They should say “Have you heard from him today?”Uh-oh, I’m in trouble.