Heard on NPR's Wait, Wait, Don't Tell Me!
"Arhtur Schiff, namer of the Ginsu knife and architect of the (in)famous telemarketing campaign, passed away in September. Mr. Schiff, considered a marketing genius, authored such iconic phrases as 'Slices and dices', 'But Wait there's more!' and 'Operators are standing by!'"
It's not known if Mr. Schiff originated the "Rails like a..." simile.
I really need snow...