The Butterfinger candy bar of today may not be quite the same as the original bar that was invented in 1923. According to some reports, the original Butterfinger recipe was mysteriously lost when Nabisco acquired the Curtiss Candy Company. None of the old employees claimed to remember how to make the bars, so a new recipe had to be developed that customers would accept.

In 1995, the Mars candy company decided that having two shades of brown M&Ms was overkill, so they did away with the light brown ones and held a replacement contest, inviting candy lovers to call a 1-800 number and vote for their favorite color, which turned out to be blue.

Lollipops were invented by George Smith of New Haven, Connecticut, who started making large hard candies mounted on sticks in 1908. He named them after a racehorse of the time named Lolly Pop -- and trademarked the lollipop name in 1931.

Gelatin is a protein derived from animal collagen and is used to give marshmallows their characteristic fluffy and chewy texture. Other ingredients typically include sugar, water, and flavorings, such as vanilla extract.

Purple Swedish Fish in grape flavor were discontinued in 2006.

After the general public became aware of Reagan's preference for the Jelly Belly jelly beans in 1981, the company offered to supply him with the beans throughout his presidency. Reagan even made them the first jelly beans in space, sending them on the Space Shuttle Challenger during the STS-7 mission in 1983 to surprise the astronauts.

Pop Rocks are a type of carbonated candy that contains pressurized carbon dioxide gas. When you place them in your mouth, the candy rapidly dissolves, releasing the trapped gas in a series of small popping and crackling sensations, creating a fizzy and popping effect in your mouth.

There are six colors in a normal bag: red, orange, yellow, green, blue, and brown.

Starburst candies, also known as Opal Fruits in some countries, are made with fruit juice concentrates, giving them their distinctive fruity taste. The original Starburst flavors include strawberry, cherry, orange, and lemon.

Rather than shut down production and clean out the machine between batches, the company keeps the lollipops that combine a little of Flavor A and a little of Flavor B, giving them a wrapper covered in question marks and marketing them as Mystery Flavor.