When Saatchi & Saatchi New Zealand got the Sanyo Xacti CA65 Underwater Camera brief they decided against using any visual and instead made a billboard that will surely get into the guinness book of records - they produced a text-only poster containing one million words.
The world first, 63m poster showed how much more there is to film with the underwater camera compared with the little you could capture with a regular one. Amongst other things, the poster included the world's most comprehensive marine species list, histories of major tsunami and shipwrecks, and Moby Dick and 20 000 Leagues Under The Sea in their entirety.
The word "lighthouse" appears once above the 'waterline'-
The word "seagull" appears twice above the 'waterline'.