Units of paper quantity as ISO 4046. In Europe, the DIN 6730 standard for Paper and Board includes a definition of 1 ream of A4 80gsm (80 g/m) paper equals 500 sheets. The word 'ream' derives from Old French "reyme", from Spanish "resma", from Arabic "rizmah" "bundle" (of paper), from "rasama", "collect into a bundle". (The Moors brought manufacture of cotton paper to Spain.) Early variant rym (late 15c.) suggests a Dutch influence. (cf. Du. "riem"), probably during the time of Spanish Habsburg control of the Netherlands. The number of sheets in a ream has varied locally over the centuries, often according to the
Paper Toss: World Tour Paper Toss: World Tour Paper Toss: World Tour is a causal video game for iPhone, iPod Touch developed by Backflip Studios and sequel to "Paper Toss". "Paper Toss: World Tour" is set in different locations around the world, and players are challenged to flick a piece of paper into a bin. There is wind meaning wind direction and wind speed have to be accounted for making the game more challenging. Players are scored on how many times they manage to toss the paper into the bin until they miss. There are online leaderboards and 8 different levels ranging in difficulty.