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.
What is the longest running scripted TV show? The American Soap Opera Guiding Light debuted in 1952 and lasted 57years until 2009. It should be noted that it began as a radio showin 1937 so while the show had a 57 year TVâ¦ run it actually lasted72 years.