A virus is a microscopic organism that can replicate only inside the cells of a host organism. Most viruses are so tiny they are only observable with at least a conventional optical microscope.
Recognized by the Guiness Book of World Records as the MMO with the longest play time per player, and easily the oldest game on this list (launching four years ahead of World of Warcraft, way back in 2001), Runescape deserves mention because it's one of the most updated and popular games of any kind on the planet.
August 6, 2013. Today TADANO is launching worldwide, the largest class Rough Terrain Crane currently in the marketplace. The new crane boasts 160 US tons (145 metric ton), a newly designed 6-section rounded boom, the longest length of 200 feet (61m) in its class, with a single telescoping cylinder.