Is the cat out of the bag??... One of the most closely guarded trade secrets in the history of commerce may be a secret no more: NPR's "This American Life" thinks it has found the exact recipe for the world's most popular soft drink in a 1979 newspaper article.

According to the show's host, Ira Glass, the drink's secret flavoring component, which was created by pharmacist John Pemberton in 1886, is something called "Merchandise 7X."    

See the full article: http://news.yahoo.com/s/yblog_thelookout/20110215/ts_yblog_thelookout/did-nprs-this-american-life-discover-cokes-secret-formula