As the Hollywood screenwriter William Goldman famously said, "Nobody knows nothing." He was talking about nobody knowing how well a movie will do once it's released. But the same may go for any kind of hard data on Millennials - despite their being the most-studied group since, well, Baby Boomers.

Oh, Facebook, you've changed. The decreased organic reach of the Social Media bell cow has been well documented for some time now; brand likes and follows (and the ability to generate them) have slowed to a trickle with the enhancements to Facebook's interface and the changes to their business model.

Tourism Cares, brought together people and companies to help in the restoration efforts of the Miami Marine Stadium and Virginia Key Beach Park in Miami.