Hi, Sharna ... are you asking about those little w/s apps used to automate repetitive actions? I'm sure someone is techy enough to answer your question in more detail. We use them at work to handle simple and repeating functions so some staff person can do something else. Also, they're really fast. They're also helpful in doing online searches, they're used on ebay to automatically increase your bid even if you aren't online (up to your authorized amount, that is!). And I'm sure bots are used in games to speed up the play.
Okay ... over to someone who is really "in" to techy-talk! :-)