5 January 2002 - I write the ads

Jay Scott : Daily Whale : archive : 2002 : 5 January 2002

The Greatest Show on Earth

I set the goals that make the whole world run.
I keep a database on everyone.
I change the future when I make the fads.
I write the ads, I write the ads.

clue:

To the tune of “I write the songs that make the whole world sing,” written by Bruce Johnston but most famously sung by that master of irony, Barry Manilow.

give me a clue so sweet and true