Over the past few years, a new class of software has emerged that’s up to no good. It goes by many names: spyware, adware, foistware, malware, eulaware, or even crapware. For simplicity we’ll just call them all spyware. Here are some of the “features” you get from spyware. Some spyware may only use one or two of these tactics, while others do quite a bit more.