It might be hard to remember, but Facebook was once considered a disappointing company that failed to live up to its potential for about a year after it came public. It seemed to Cramer that Facebook missed the entire migration to mobile from desktop, and the stock was pummeled.
At that time, Facebook was trading in the $20s and Cramer started digging into the company's conference call transcripts. He found that the company not only reported a good quarter, but that as the company adopted the switch to mobile, advertisers were flocking to it.
Cramer's charitable trust bought Facebook in the mid-$20s and was fortunate enough to catch a huge rally after that. He hung on to the stock because each quarter showed an improvement in the numbers and the stock's price to earnings multiple wasn't expanding.
"You were simply playing the same amount for even bigger earnings growth. That is the best kind of situation," Cramer said.
The top takeaway for Cramer is that one must recognize that companies can change, and when they do, it's worth letting gains ride.