Eventually no because you can manually get it out.if in order to harm the computer you must either pour a cup of water on the laptop or dump a lot of crumbs into the system.
To let other peple know you are there (to warn them incase they don't see you when they are backing out) or to be rude to someone who cut in front of you dangerously
In 1967, Ralph Baer and his colleagues at Sanders Associates, Inc. developed a prototype for the first multiplayer, multiprogram video game system, called "The brown box"