pull down to refresh

If your product is really good you don't need to puff it up with nonsense.
Well, I think it become a way to reward the best customers and provide them a unique experience. I agree, that going to the Coke museum not will be enough for me to be a Coke customer. But in the other way, a great Coke's customer/client, will definitely enjoy the experience... and maybe get even more "fidelized"