Coca-Cola was a Mistake

From MSN Encarta:

"...both Coca-Cola and chocolate chip cookies were mistakes--or at least unexpected delights. And yellow sticky notes were the result of a failure. Here's what happened.

Innkeeper Ruth Wakefield was baking Butter Drop Do cookies one day in the 1930s using a recipe that dated back to colonial times. She cut up a Nestlé chocolate bar and put the chunks in the batter, expecting them to melt. Wakefield thought she'd be pulling chocolate-flavored cookies out of the oven. Instead, what she got were butter cookies studded with gooey chocolate chips. Her mistake became one of the most favorite cookies of all time.

Coca-Cola was the result of another delicious accident. In 1886 a pharmacist named John Pemberton cooked up a medicinal syrup in a large brass kettle slung over an open fire, stirring it with an oar. When he was done, he figured he had created a fine tonic for people who were tired, nervous, or plagued with sore teeth.

Coke didn't make it as medicine, and wasn't even an instant success as a beverage..." For more read here...