The first poster was made over 100 years ago. It is often said that the modern poster was born around 1870 when the existing printing technology made it possible to print larger versions of a photo.
A poster need not be just a photo of something. It could also be informational in nature. Movie Posters for example are outside the cinema halls and talks about the films shown inside the arena. Large prints require a large format printer. Roll-ups, signs, posters, canvas and photo prints are usually handle by a large printer.
Poster fluoride is a matte coated paper with fluoride coated in the back and is available in five strengths neon colors. Most of the modern day posters use poster fluoride as their background, to provide thickness to their posters. The fluoride paper is usually sold in grams. 270g is the highest gram that can be laid on a paper. Fluoride paper is used where a high attention value is desired, such as movie posters and signs.