The changing face of election posters in the social media age

With hefty printing and production costs involved and environmental concerns, are election posters as effective as social media posts?

Election posters placed on railings in Limerick. Picture: Don Moloney

As the world becomes more environmentally conscious and the number of political campaigns being pushed online increases, are election posters still serving their purpose in the modern age?

With a hefty cost of printing and producing the posters, along with the strategic placing of posters in prime locations, are posters as effective as a social media post?