WSJdpatton writes "iPhones can be used for email, but many businesses don't plan to sync them with internal systems used to power Blackberries and Microsoft mobile devices. Employees eager to use the cool new gadget, however, may pressure IT departments to support iPhones even if it means incurring more costs and changing policies. The WSJ reports: 'Incompatible technology has become an increasing problem for businesses as hand-held email and phone devices are evolving into minicomputers that can do such things as download music, take pictures and surf the Web. In the past, businesses have been unwilling to support certain devices, like those with cameras, for instance, because of concerns employees could use them to document company secrets. But these tensions would be magnified if the iPhone is as popular as Apple is hoping and some analysts expect.'"