u can share internet connect

enabled device, not substitute isp. bluetooth technology is relatively safe if you take precaution such as encryption. currently, Symbian OS cell phone is the only mobile os affected by worm and virus, such as Cabir, Commwarrior and Skulls. revomal method is easy like delete files or reset factory default. t-mobile and cingular provide symbian os based cell phones, while verizon and Sprint are not.

http://www.mobileinfo.com/Bluetooth/FAQ.htm#g3