It has been possibly the worst kept secret in the mobile phone market, but now it is official: Apple todayIn nod to enterprise users, the new iPhone will also boast key features such as support for Microsoft Exchange ActiveSync to provide over-the-air push email, contact and calendar syncing. Other changes include a slimmer design, a flush headphone jack, improved audio, and superior battery life of 300 hours of standby time. The launch is scheduled to kick off on July 11 in 22 countries, with 48 additional countries to follow in the next few months.