On August 17, I was skimming my Facebook feed on my lunch break when a post shared by Mick Jagger caught my eye. A Rolling Stones fan born decades too late to fully appreciate them at the height of their popularity, I was instantly intrigued when I realized that their newest cover photo on the social media platform was something I’d never seen before. With their 50 year anniversary on the rise, the Stones were naturally teasing their 10 million Facebook fans with a cryptic message announcing that big news was on the way – but unlike bands and artists who’ve previously done so – this message actually…