Internet Operating Systems includes multitasking folders and tethering that allows other devices to share the phones internet connection; but in similar features are available with other mobile operating systems as well. Tethering on the other hand; allows you to go online from your lapotop, or PDA.using your cellphone as a modem. One difference is that Internet Operating Systems can be hacked, it doesn’t allow the same level of customization and programming as other systems that run other smartohones. Iphone tethering is a technique in which Iphone is a wireless modem to provide Internet access to a smartphone, PDA, Iphone, and laptop computers. Other devices such as WI-FI- enabled devices as well as Ipad and Itouch are compatible as well. They are also web enabled. IOS are very interesting. There are certain websites on the other hand, that are non secure. For instance, facebook, blackplanet, match.com, and over 100,000 other websites that are non secure. This is the reason why discrestion is paramount.