Here Are 15 Of The Most Closely Guarded Secrets Only Two Living People Know

15. The recipe to Hershey’s bar, the first sweet chocolate bar, has been a trade secret for 100 years

When chocolate was manufactured in the past, it was always dark chocolate, and hence, it was not as popular as the chocolate we eat nowadays. It was bitter and sweet and had the popularity akin to coffee’s. It was in 1900 that the first Hershey’s milk chocolate was formulated, where the dominant taste was sweet and not bitter. This made the whole population love chocolate as we love it today. The formula to this sweet chocolate bar is still a secret, although many other companies have come up with their versions of sweet chocolate. Hershey’s still remains to have a unique taste among competitors.