Public education in America is in big trouble. "The nation's 50 largest cities had high school graduation rates lower than 50 percent," according to a report by America's Promise Alliance. That was 10 years ago. Today, in Philadelphia alone, a mere 22 percent of the senior class will graduate on time. Our schools need help….

If you recently attended a trade show or conference, it’s likely you saw vendors using a video wall to demonstrate products and services. This method of presenting is very popular as it reaches out to the audience capturing their attention, often better than the sales person behind the table. The price and weight of high-definition…