Although the appeal of the iPhone may be wearing off on consumers, it’s not affecting more business professionals from making the smartphone their choice. During Apple’s first quarter earnings result, Apple COO Tim Cook stated that corporate usage of the iPhone has doubled since the release of the 3GS model – with roughly 70 percent of Fortune 100 companies actively piloting or deploying iPhones for business use. He goes on to day that “Those are some pretty staggering numbers when you think that the time frame we’ve been in the business in only two and half years.” Still you see RIM’s dominance as the handset of choice when it comes to business professionals looking for something to fit their needs. That doesn’t stop Apple from continuing to grow and develop features for the corporate interest – such as their support for Microsoft Exchange. Apple has the mobile app world in its hands with their App Store, but they’re going to need more to make a dent in RIM’s presence – which is revered for their emailing ability and physical keyboards. Still, we can see the penetration of the iPhone into the hands of corporate users.