Today is July 4th. Most Americans are enjoying a day off. While this holiday is uniquely American, filled with outside activities, bar-b-ques and fireworks, all countries can mark this day on a calendar.

Over two hundred years ago broadsides, newspapers, and books rallied people around a common cause as the United States was forming. In recent years, social media and smart phones have formed the social glue to spark the revolutionary movements.

While the medium may change, the message usually doesn’t.

photo: leewright