The Foo Fighters Posted A Map On Twitter - BUT WHAT DOES IT MEAN?!

We know full well that the Foo Fighters will be busy in 2017; their definition of "time off" is pretty brief. Yesterday, the band tweeted out THIS:

— Foo Fighters (@foofighters) January 2, 2017

 But don't ask me what it means. Sonic Highways #2? Could be:

Regardless, it seems like Foo activity in 2017, which is a very, very good thing for rock music. Cross your fingers we're all involved, somehow!