As demonstrators from Occupy Central and other activist groups spread their message using the latest technology, they are also relying on tried and true methods including signs and banners. Some opted to write on the conventional cardboard cut out while others chose more creative methods, such as scrawling on pavement and on the umbrellas that now symbolise a movement. Through photography and videography, their messages are seen and heard loud and clear - and they have a global audience.
Here are some of the most striking signage from Occupy Central. Click through to see them all.