Not wanting to trust my own judgment on this vital matter, I put together an ad hoc advisory panel of five etiquette teachers and coaches from around the country (yes, even in our hail-to-sloppiness era, such people exist).
With what they call "enhanced underwriting, " the spots have grown from "the following program is brought to you by a grawnt (yes, grawnt) from Mobil" -- which I still think is the best ad ever written in 12 words or less -- to full-blown productions showing products and services that could and do run on commercial TV.