I’m thrilled to announce that this month, I’m celebrating my seventy-fifth birthday! Now, I know what some of you are thinking: “Big deal. I’ve got socks older than that!” But for me, it’s still a milestone. I was born on June 24, 1949, the same day that Hopalong Cassidy rode into our living room for the first time inside a 12-inch Philco television—black and white, of course. I just wish I could have been there to see it. I was preoccupied with being born. As it turns out, there were a lot of important “firsts” in 1949. Here are just a few of them, along with their original marketing slogans: Tupperware…