From chatting with friends who have verizon smartphones it sounds like you can't delete them unless you have root and root will be very difficult on the droid x. Man I feel sorry for them folks with the fascinate and bing.
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My biggest concern is that i accidently click something in a hurry from the application launcher or I get spammed with verizon ads which eats up my battery (one of my friends said there are verizon ads you can't disable)