Justin Timberlake recently Instagrammed a selfie of himself returning to his home state of Tennessee for early voting. That's cool! Popstars gotta do their patriotic duty, too! But now he may come under investigation by the State's Attorney General's office for violating state laws about electronic devices and taking photographs in polling locations...
Two things are very clear in the world of social media... a whole lot of people like to use Facebook, and a whole lot of people get annoyed by how others use it.