Has anyone seen the boxes of Kelloggs cereal that offer miles for purchases of certain brand of their cereals?

Is this an old offer or a new one. I can't seem to find any boxes that have information about this.

Thanks,Ron

"It looks like Kelloggs has started a FF promotion with American Airlines on certain brands of their Kelloggs and Healthy Choice cereals. There are 100 mile certificates printed on cartons of new shipments the following brands: Product 19, All-Bran, Cracklin' Oat Bran, Crispix, Just Right,
Complete, Mini-Wheats and Healthy Choice Low Fat Granola. Five 100 mile AAdvantage certificates are to be mailed in for each 500 mile AAdvantage certificate and the offer expires 6/30/2001."