In days gone by, the unchanging and often tattered billboard was a mainstay along the highways. Illuminated advertising versions with high wattage light bulbs were the next step. Eventually, the image changing version came along. All this was designed to capture our attention and they did an ok job for the time. When attending a sports game one rarely looked at the message board except to see a score change. Advertising was usually a logo of the advertiser and frankly, uninteresting.
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