Make a big impact to an audience on foot, in cars, standing in public places and inside public transport.
Reduce cost by going digital, update the content remotely.
Change/update/revise content on one or more digital screens in a matter of clicks rather than moving people from printing to taking the sign down, saving on huge amounts of money and days of downtime by digitally showcasing high resolution content.
Have multiple variations of the ad running on the single screen based on time of day.
Promote deal of the day, which is not possible with static signs.