That's pretty spot on, I'm especially impressed by the "every hour" news, which has absolutely been a thing for news casts for a while now.
I wonder how he would have responded to the ability for instant news? And every hour becoming kind of old fashioned.
Right! I think the only thing they missed is airplanes just not being necessary for delivery (unless you count in-flight wi-fi). And the grammaphone was just leapfrogged; the first news radio broadcast was only 7 years after this cartoon